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  1. #1
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    Transition Sentinel

    https://www.pinkbike.com/news/spy-sh...rail-bike.html

    The new long travel 29er is nearly here!!

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    Looks great!

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    SBG the Scout!!!!!!!!!!!!!!!

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    Kinematics analysis of the new Sentinel:

    https://mrblackmorescorner.blogspot....anta-cruz.html

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    Quote Originally Posted by BluePitch View Post
    SBG the Scout!!!!!!!!!!!!!!!
    They are, and the Patrol. A distributor put the info up by mistake. Scout gets a metric shock, sentinel style linkage and the Patrol gets the rear travel increased, a new linkage like the sentinel and a trunnion mount shock.

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    Lars confirmed it on instagram - The Sentinel is 160mm front, 140mm back.

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    Quote Originally Posted by Rusettipasta View Post
    Lars confirmed it on instagram - The Sentinel is 160mm front, 140mm back.
    That's unfortunate... I was hoping for at least 150mm.
    It takes half a joule more to accelerate Brass Nipples over Alloy Nipples on a 29er to 30kph.

  8. #8
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    Quote Originally Posted by softbatch View Post
    that's unfortunate... I was hoping for at least 150mm.
    twss
    Life is too short to ride a bike you don't love.

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    Quote Originally Posted by Rusettipasta View Post
    Lars confirmed it on instagram - The Sentinel is 160mm front, 140mm back.
    that's fortunate. this could make for a fantastic hard core trail bike, not an enduro pig. mind you a 64 degree head angle? i'm not sure how the hell a bike that slack would handle on anything short of serious steeps, but i'll have to have faith in the boys to work their magic to pull off a friendly trail bike as they have with the current gen bikes.

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    Quote Originally Posted by cunningstunts View Post
    that's fortunate. this could make for a fantastic hard core trail bike, not an enduro pig.
    Nah 140mm on a 29er would be heaps for Enduro I think. Heck Greg Callahan is running a 140mm 29er. A lot of people are running 150mm 27.5 bikes and I think the 29er more than makes up for 10mm less travel.

  12. #12
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    Anyone have any word when this will be released? Website says "fall", hoping it's before then.

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    Quote Originally Posted by Qtip2 View Post
    Anyone have any word when this will be released? Website says "fall", hoping it's before then.
    September(ish) hopefully.

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    Quote Originally Posted by Sir HC View Post
    September(ish) hopefully.
    Just sold my bike and looks like I am screwed. Was looking at this bike bike and Yeti 5.5. Both aren't available for over a month.

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    Well, hopefully you got what you wanted for it. I tend to find myself in a rush to sell a bike and then nothing lands. I had the chance to get a deal on some hella nice stumpy/enduro offerings for cheap, but was worried about selling my trailfox. No bites on the bikes, so I just waited and let the deal pass.

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    I did take a little less than what I wanted, but still not too bummed. I guess its just a sign to not be riding in this Phoenix weather.

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    Yes, hoping it will be out then! Def on my short list of bikes I want! It is between the Hightower LT, Yeti Sb5.5 and Sentinel. Any thoughts from people who have ridden the first two?

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    the LBS is both a Tranny and RMB dealer and they are besides themselves with excitement equally about the Sentinel and new Instinct especially the BC Edition. they can't talk about either bike though, just that both will be next level awesome. having both a Smug and Patrol, i'm very happy with that quiver but stoked to go down to Bellingham and try a Sentinel when possible.

  19. #19
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    Quote Originally Posted by cunningstunts View Post
    the LBS is both a Tranny and RMB dealer and they are besides themselves with excitement equally about the Sentinel and new Instinct especially the BC Edition. they can't talk about either bike though, just that both will be next level awesome. having both a Smug and Patrol, i'm very happy with that quiver but stoked to go down to Bellingham and try a Sentinel when possible.
    This is what I bought new Spot Mayham 29er, 130mm rear and 140mm front. Bike is amazing!!
    Attached Thumbnails Attached Thumbnails Transition Sentinel-p1070789.jpg  


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    Any word on a new version of the smuggler? Or will the sentinel replace it?

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    Anyone venture a comparison to other LT 29ers? Hard for me to translate the new geometry to familiar terms. I'm on the fence about buying a smuggler now, or holding out: the usual concerns about pedaling for everyday trail rides vs. capability for bigger rides.

  22. #22
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    Quote Originally Posted by uknathank View Post
    Anyone venture a comparison to other LT 29ers? Hard for me to translate the new geometry to familiar terms. I'm on the fence about buying a smuggler now, or holding out: the usual concerns about pedaling for everyday trail rides vs. capability for bigger rides.
    I think it is realistic to expect a new Smuggler in the next year. Boost, etc.

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    Quote Originally Posted by cunningstunts View Post
    the LBS is both a Tranny and RMB dealer and they are besides themselves with excitement equally about the Sentinel and new Instinct especially the BC Edition. they can't talk about either bike though, just that both will be next level awesome. having both a Smug and Patrol, i'm very happy with that quiver but stoked to go down to Bellingham and try a Sentinel when possible.
    you think they would tell you if it sucked?
    Front Range, Colorado

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    Quote Originally Posted by uknathank View Post
    Anyone venture a comparison to other LT 29ers? Hard for me to translate the new geometry to familiar terms. I'm on the fence about buying a smuggler now, or holding out: the usual concerns about pedaling for everyday trail rides vs. capability for bigger rides.
    oops I meant, torn between going for a Smuggler now, or holding out for a Sentinel. I demo'ed a Smuggler and loved it, but would ideally like to have more travel... if the tradeoff in pedaling and slower speed handing isn't too great (the usual dilemma).

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    Quote Originally Posted by deserat View Post
    Any word on a new version of the smuggler? Or will the sentinel replace it?
    I think in a couple of months you will be presently surprised about the Smuggler. I know for a fact Sentinel not replacing.
    Id expect to see boost rear and maybe longer reach with few mm more travel.

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    Quote Originally Posted by bbunnys View Post
    I think in a couple of months you will be presently surprised about the Smuggler. I know for a fact Sentinel not replacing.
    Id expect to see boost rear and maybe longer reach with few mm more travel.
    Awesome. That's what I want. Wonder how far down the road a carbon frame will be.

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    Quote Originally Posted by deserat View Post
    Awesome. That's what I want. Wonder how far down the road a carbon frame will be.
    No carbon on the cards that I know of.

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    https://www.instagram.com/p/BXtG2KBl...nsitionbikesuk

    I wonder why no one has found this...
    Now let's see the new Patrol!

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    Intrigued how consumers will be able to get hold of low offset 29er forks, will Transition sell as a framekit? Or are we going to have to source 27.5 steerer assemblies?

  30. #30
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    Quote Originally Posted by __U3__ View Post
    https://www.instagram.com/p/BXtG2KBl...nsitionbikesuk

    I wonder why no one has found this...
    Now let's see the new Patrol!
    2018 Patrol photos and specs were online the other month.

  31. #31
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    Quote Originally Posted by Rick Draper View Post
    2018 Patrol photos and specs were online the other month.
    Can you help me with a link?

  32. #32
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    Quote Originally Posted by Sir HC View Post
    Intrigued how consumers will be able to get hold of low offset 29er forks, will Transition sell as a framekit? Or are we going to have to source 27.5 steerer assemblies?
    I'll be interested to see if/how fork manufacturers embrace this too. Could Joe Bloggs just order a fork from the manufacturer and spec their own offset/travel configuration?

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    Quote Originally Posted by Sir HC View Post
    Intrigued how consumers will be able to get hold of low offset 29er forks, will Transition sell as a framekit? Or are we going to have to source 27.5 steerer assemblies?
    DVO said they will be offering low offset lowers as a aftermarket hop up next season. That has me quite excited as I have a new DVO Diamond, it's a great fork.

    I'm all over the Sentinel, I can't wait! The only other frame in my radar is the Nicolai G13 (somewhat less extreme Geometron), but bringing that to Canada is very pricy....

  34. #34
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    Quote Originally Posted by __U3__ View Post
    Can you help me with a link?
    No its been taken down now I'm afraid.

  35. #35
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    Quote Originally Posted by bbunnys View Post
    No carbon on the cards that I know of.
    I know I'll hear it for saying this, but I'm going to have to wait for carbon then. I'm a Transition fan for a number of reasons, but I prefer carbon frames. Also, the reach on the medium smuggler I rode felt great. Not sure what all the geo changes will be on the smuggler (same as sentinel, scout, patrol?) and how it will feel as a whole, but the current medium is spot on for my geo preferences. Almost bought a frame a couple months ago but really wanted carbon, plus I figured they'd go boost eventually (honestly don't care either way on boost but I've already committed to a high dollar boost wheel set at this point). Hopefully the new smuggler will fit me good and I'll be psyched when it maybe goes plastic some day. Or maybe I'll suck it up and go back to metal.

  36. #36
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    I hear ya, I really want my next bike to be carbon, I love what they're doing with the geo but I don't think I'd buy another alloy bike.

  37. #37
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    Quote Originally Posted by David R View Post
    I hear ya, I really want my next bike to be carbon, I love what they're doing with the geo but I don't think I'd buy another alloy bike.
    Ditto, that bike looks perfect other than that.

  38. #38
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    Transition Sentinel

    I wonder how they're going to pedal? Sure they'll climb tech well in the open setting and I get what transition's priorities are with these bikes. But I'm a closet xc nerd and am hoping for a bit more efficiency out of the giddy up.


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  39. #39
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    According to Vital the Sentinel is due out in the next few months.

    Dan Wolfe's Prototype Transition Sentinel - PIT BITS - Crankworx Whistler - Mountain Biking Pictures - Vital MTB

    The pics appear to be of a larger size, maybe a XL based on the length of the seat post mast.

  40. #40
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    Bike is officially announced end of August with bikes shipping sometime in October. Pricing will be consistent with what they currently offer on the other bikes (X01 Eagle, GX Eagle & NX). They will also be selling just frame/fork combos for custom builds. Rockshox and Fox forks available.

  41. #41
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    https://www.pinkbike.com/news/transi...deo-bikes.html
    Transition Teases Four New 2018 Mountain Bikes in Hilarious Video - bturman - Mountain Biking Videos - Vital MTB

    Sentinel + other 2018 Giddyup 2.0 bikes shown here. Small travel increases all around in addition to the SBG.

    Not going to upgrade from my '16 Scout just yet, but these are looking mighty fine.

  42. #42
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    I'm just waiting on a geometry chart for the sentinel before I make my next move.

    Sent from my SM-G955U using Tapatalk
    Team _________

  43. #43
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    ^2018 Transition bike range includes new 160/140mm Sentinel 29er - MBR

    Here you go

    edit: damn, they've taken down the individual specs + geos for the bikes. Should've taken screenshots.
    Last edited by Rusettipasta; 08-22-2017 at 07:41 AM.

  44. #44
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    Quote Originally Posted by Rusettipasta View Post
    ^2018 Transition bike range includes new 160/140mm Sentinel 29er - MBR

    Here you go

    edit: damn, they've taken down the individual specs + geos for the bikes. Should've taken screenshots.
    Well I did ;-)

    Edit: better res screenshot to be found here
    https://ibb.co/cDczP5

    2nd edit: embedded image removed

  45. #45
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    Cool story, bro, but we can't actually read that blurry mess.
    Can you read it on your end?

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    sorry, the link should work now

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    There we go. Thanks!!

  48. #48
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    Quote Originally Posted by TeutB View Post
    sorry, the link should work now
    Hmm, I still can't read it.

    Sent from my SM-G920P using Tapatalk

  49. #49
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    Try the link he provided. https://ibb.co/cDczP5
    Image attachment still sucks.

  50. #50
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    Quote Originally Posted by TeutB View Post
    Well I did ;-)

    Edit: better res screenshot to be found here
    https://ibb.co/cDczP5

    2nd edit: embedded image removed
    Sweet! Thanks for catching that.

  51. #51
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    Should be hearing something tomorrow from Transition. Super stoked!!

  52. #52
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    Wonder if you could put in 27.5+ wheels and how it would ride?

  53. #53
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    Quote Originally Posted by skiahh View Post
    Wonder if you could put in 27.5+ wheels and how it would ride?
    Curious too....I'm after a 29er but plus as an option is a bonus...


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    The spec says 2.5 max.

  55. #55
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    For 29.

    But yes, you can. I went by Transition and asked and they said it'll take plus tires (27.5). They also said they didn't really like them on the bike. That said, if you're a "more rubber" fan, it could be a pretty good set up.

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    Cool. Thank you.

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    I think the travel figures on the Sentinel would make it more useful than the Scout or Patrol for my planned rides, however I've never owned a 29er. Keen to test ride one once they're available.

  58. #58
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    Quote Originally Posted by skiahh View Post
    For 29.

    But yes, you can. I went by Transition and asked and they said it'll take plus tires (27.5). They also said they didn't really like them on the bike. That said, if you're a "more rubber" fan, it could be a pretty good set up.
    Thanks for that info!

    I don't wanna get off topic and start a debate about optimal tire width, but "real" loamy PNW-style dirt is pretty rare where I ride, so plus tires seem well suited for the eastern Sierras (very dry, loose decomposed rock that varies in flavor from silty talcum powder to 2" gravel).

    Did Transition say what the maximum width is for a 27.5" plus tire in the Sentinel's swingarm--2.8", or possibly wider?

  59. #59
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    Didn't specifically ask if 3" would fit, but 2.8 will.

    As for bigger tires on PNW loam, I've been riding my Borealis Echo with 26x4 out here, almost exclusively now, for about a year and having a blast on it. Winter mud, spring loam and summer dust and silt. Rocks, roots and even some jumps (though I'm not very good at jumping); it does it all and very well.

    I say that because I'm a fan of bigger rubber and even out here, bigger rubber is not "just a thing". It may not add much on the true loam trails, since they already give a nice soft ride with plenty of traction, but they certainly don't take anything away, either!

    I'm glad to see this "switch" capability in Transition, since as our local bike company, I really want to support them and so far, that ability to run either been a requirement in my new bike search criteria. Although, with 29x2.6, maybe that'll be the sweet spot and I'll stick with just the one wheelset.

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    What 29x2.6 tyres are available or expected? I mean aggressive ones like DHF, DHR2, MM.

    Personally I am between the new Patrol and the Sentinel and I just wished that the Sentinel had 160 rear travel.

  61. #61
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    Just do a search on "Wide Trail Tires". That ought to get you started. Lots of options coming out.

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    Yes you are correct. Somehow I have missed the 29er versions.

    Is anyone else have a dilemma between the Sentinel and the Patrol?

  63. #63
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    I got some bad ideas in my head.

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    I'm torn between the sbg smuggler and the sentinel. I love my OG smuggler with a 150mm fork. I'm assuming the frames have to weight about the same. I wonder how differently they ride.

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    Quote Originally Posted by Nhbrooks View Post
    I'm torn between the sbg smuggler and the sentinel. I love my OG smuggler with a 150mm fork. I'm assuming the frames have to weight about the same. I wonder how differently they ride.
    Fair question. It will probably come down to the age old question of what your priorities are. For me even though I *want* a bike that will magically make me an ok climber and able to hold a good pace on some of the XC stuff I do, end of day my rides are really about getting weird on the descents and the Sentinel will probably answer the mail better for me. Really hoping to ride these bikes this fall.

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    I wonder how close the two frames are. Seems like you could buy a sentinel and run a shorter shock and fork if you wanted smuggler like handling. That would be like having teo bikes in one.

  67. #67
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    Quote Originally Posted by Nhbrooks View Post
    I'm torn between the sbg smuggler and the sentinel. I love my OG smuggler with a 150mm fork. I'm assuming the frames have to weight about the same. I wonder how differently they ride.
    Jumping from the Smuggler, over the Scout, to the Sentinel?

    Interesting... why not the Scout?

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    Yes it's a good thing to see eh! I took a couple of them riding while they were visiting Scotland and spent the whole time banging on about 3" tyres. They didn't seem very interested in the whole thing. We have similar trails to you guys and I find plus tyres amazing for them.

  69. #69
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    I am looking forward to the Transition demo fleet coming to town. I'm having a hard time seeing how the SBG will work in our slow tight techy trails, but there's only one way to know for sure. I'll be keen to throw a leg over the Sentinel.
    Safe riding,

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    Quote Originally Posted by skiahh View Post
    Jumping from the Smuggler, over the Scout, to the Sentinel?

    Interesting... why not the Scout?
    Ditto. I think a lot of riders are over-biking themselves. The new Scout is going to be rowdy. I've got the old one and I've often considered running it for Enduro races instead of the Patrol. The SBG version is longer, slacker and has more travel. I'd be pretty confident on it for a huge variety of riding.

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    Honestly I would love to try a scout but I have a stock pile of 29 wheels and tires. The scout looks awesome though.

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    I am a little bit confused about this bike. Is it an all arounder as the travel suggests or is it a mini DH bike as the head angle and the Pinkbike review suggests?

    Because if it is an all arounder then the head angle seems to be too slack but if it is a mini DH bike then the rear travel seems to be not enough.

    Personally I would have preferred it to be 160/160 because I also have a 160/140 bike and I always feel like something is missing (20mm of travel most probably ).

    Anyway I guess that the new Patrol may be a better fit for me.

  73. #73
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    Quote Originally Posted by gpgalanis View Post
    I am a little bit confused about this bike. Is it an all arounder as the travel suggests or is it a mini DH bike as the head angle and the Pinkbike review suggests?

    Because if it is an all arounder then the head angle seems to be too slack but if it is a mini DH bike then the rear travel seems to be not enough.

    Personally I would have preferred it to be 160/160 because I also have a 160/140 bike and I always feel like something is missing (20mm of travel most probably ).

    Anyway I guess that the new Patrol may be a better fit for me.
    You literally made this same comment on the Pinkbike article 2 days ago. Are you looking for someone to agree with you? HaHa... just giving you a hard time.

  74. #74
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    Quote Originally Posted by gpgalanis View Post
    Because if it is an all arounder then the head angle seems to be too slack but if it is a mini DH bike then the rear travel seems to be not enough.
    You need to read Transition's SBG info: Transition Bikes

    Trying to analyze the HTA out of the context of the SBG concept is not going to lead to you understanding the purpose of the bike.
    Safe riding,

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    Quote Originally Posted by delarosa View Post
    You literally made this same comment on the Pinkbike article 2 days ago. Are you looking for someone to agree with you? HaHa... just giving you a hard time.
    It is easier to copy and paste!

    Still I am a little disappointed that it is not a 160-160 bike because I would have already preordered it!

    As for the friend speaking about the SBG I have a 160/140 bike with long reach and 42 offset already and when I have put an angleset to drop it to 64.5 it simply didn't turn the way it did before.

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    Quote Originally Posted by gpgalanis View Post
    Still I am a little disappointed that it is not a 160-160 bike because I would have already preordered it!
    Sounds like the Patrol is more the bike you are after anyway I think.

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    Hey Giddy Up fans. Loving all the discussion here, good stuff.

    Here's another perspective on the Sentinel's handling - First Ride: Transition Sentinel | BIKE Magazine

    A quick general note on our SBG system.

    Wheel flop - When you deviate to a certain point in the steering axis from center (straight ahead) and the axle actually begins to fall lowering the front axle. At this point the handlebars want to continue turning. As we've made the headtube angles slacker, and reduced the fork offset, we're intentionally using an earlier wheel flop point to our advantage- Will come back to this later.

    Wheel flop is counteracted by wheel velocity. At slow wheel rotational speeds, the bike want's to help you turn around sharp corners. Think slow speed uphill and downhill switchbacks, and other slow speed scenarios where you need to turn the handlebars more. Here's the neat part, as wheel speed increases the velocity overcomes the flop and makes the handlebars want to stay straight. It also changes the directional changing mechanism by leaning opposed to steering.

    When you go slow (like when climbing) the bike is easier to navigate tighter turns, and as you go faster it becomes more stable.

    There's a lot more physics at play than to simply look at the headtube angle and say it will handle like this, or to read that the steering trail figures are longer and say it will handle like that.

    It really is an intuitive system, and the feel changes based on the speed your riding.

    We will be building a demo fleet as soon as possible, as to ride them is really the only way to understand how they do what they do.

    We can say, we have watched a number of very adept journalists ride them and say some pretty amazing things afterwards.

    Party on!

  78. #78
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    Quote Originally Posted by Transition Bikes View Post
    Hey Giddy Up fans. Loving all the discussion here, good stuff.

    Here's another perspective on the Sentinel's handling - First Ride: Transition Sentinel | BIKE Magazine

    A quick general note on our SBG system.

    Wheel flop - When you deviate to a certain point in the steering axis from center (straight ahead) and the axle actually begins to fall lowering the front axle. At this point the handlebars want to continue turning. As we've made the headtube angles slacker, and reduced the fork offset, we're intentionally using an earlier wheel flop point to our advantage- Will come back to this later.

    Wheel flop is counteracted by wheel velocity. At slow wheel rotational speeds, the bike want's to help you turn around sharp corners. Think slow speed uphill and downhill switchbacks, and other slow speed scenarios where you need to turn the handlebars more. Here's the neat part, as wheel speed increases the velocity overcomes the flop and makes the handlebars want to stay straight. It also changes the directional changing mechanism by leaning opposed to steering.

    When you go slow (like when climbing) the bike is easier to navigate tighter turns, and as you go faster it becomes more stable.

    There's a lot more physics at play than to simply look at the headtube angle and say it will handle like this, or to read that the steering trail figures are longer and say it will handle like that.

    It really is an intuitive system, and the feel changes based on the speed your riding.

    We will be building a demo fleet as soon as possible, as to ride them is really the only way to understand how they do what they do.

    We can say, we have watched a number of very adept journalists ride them and say some pretty amazing things afterwards.

    Party on!
    Cool...and 140/160 29er born in the PNW sounds like my perfect bike, but when are you going to make it in carbon?
    It is no measure of health to be well adjusted to a profoundly sick society.

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    ^ what he said.

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    @TransitionBikes: Why didn't you make the Sentinel 160/160? Most probably the answer would be that the bike rides great as it is but then why did you make the Patrol 170/160?

    Somehow I think that this is related to the combination of bigger wheels and more travel that may require some compromises but then again look at the Enduro 29 or the Wreckoning.

    Don't get me wrong I am just curious and most probably get the Patrol but I really wished I could get the Sentinel.

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    I updated the entry with the 205x57.5 mm shock size. @Transition Bikes what do you think? I try to do the most accurate possible using CAD and Linkage software. If I can improve the analysis please contact with me, thanks.

    Kinematics apart, I would love to test the SBG. Will be any test bikes in Spain? Cheers!

    https://mrblackmorescorner.blogspot....anta-cruz.html

  82. #82
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    Quote Originally Posted by Mr_Blackmores View Post
    I updated the entry with the 205x57.5 mm shock size. @Transition Bikes what do you think? I try to do the most accurate possible using CAD and Linkage software. If I can improve the analysis please contact with me, thanks.

    Kinematics apart, I would love to test the SBG. Will be any test bikes in Spain? Cheers!

    https://mrblackmorescorner.blogspot....anta-cruz.html
    I didn't think they made a shock @ 57.5 stroke. I thought it was 60mm
    Life is like riding a bicycle. To stay balanced, one must keep moving. - Albert Einstein

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    Quote Originally Posted by thegromit View Post
    I didn't think they made a shock @ 57.5 stroke. I thought it was 60mm
    It's official and not good news if you want to change the shock :S

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    Quote Originally Posted by Mr_Blackmores View Post
    It's official and not good news if you want to change the shock :S
    So they went to metric shocks then, made one thats a random length?
    Life is like riding a bicycle. To stay balanced, one must keep moving. - Albert Einstein

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    Its the same length shock ad the Trek Slash.

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    That is. For example the new Giant Trance or the new GG The Smash have specific metric strokes (52.5 and 62.5 mm respectively).

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    Quote Originally Posted by thegromit View Post
    So they went to metric shocks then, made one thats a random length?
    Nothing random... They make trunnion mount shocks in 205mm with 65mm and 60mm strokes that can be further reduced by 2.5mm. So 65, 62.5, 60 and 57.5mm strokes are possible in 205mm trunnion and 230mm non-trunnion.

    My real question is can we remove that spacer?

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    So long shocking it? Would raise bb some, but more travel. hmmm

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    Quote Originally Posted by Crit Rat View Post
    So long shocking it? Would raise bb some, but more travel. hmmm
    Removing a spacer increases stroke but not eye2eye, so geo is unchanged but travel bumps up. Issues are shock/frame clearance and rear tire/seat tube clearance. Changing stroke by 2.5mm would be 5-7mm travel so probably doable.
    Big Wheels and Fat Skis keep me young.

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    so you pros have determined that the bike is insufficient as it is without seeing one, or riding one and are already planning to modify a cutting edge new bike. ****ing insanity.

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    Harmless e-speculation.
    I will say that the 140/160 bikes I've ridden all have fallen short in balance and capability compared to a 160/160 bike a la Wreckoning.
    Can't wait to ride one. Current stoke would be higher for me w/ 150+ rear.

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    Many of us have ridden 150mm-160mm 29ers before and love what the back end can do with the bigger wheel and that kind of travel. This bike has even more aggressive geo. So it likely will want to be able to go the speed that the geo, and the fork travel will allow but will be limited by rear end travel, which is out of balance with the front to begin with. Perfectly fine to want even travel numbers at both ends, or more in back.

    I'd be curious to hear official input from Transition on bottom-out clearance. I suspect there isn't much, based on the video on this page: https://www.pinkbike.com/news/transi...view-2017.html The yoke comes within kissing distance of the seattube on bottom-out. Oh well. I'd be willing to bet Transition decided to sacrifice a bit of total travel for the steep seat tube angle.

    I want both, but I'll take the seat-tube angle if I have to pick one.

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    I think that it is much easier to make a 140 travel 29er than a 160 one and this is why they most probably went with this option. I have already said that I consider this to be a pity but it is not the end of the world either unless you are doing big jumps, drops etc.

    My personal bike is a 160-140 and the only think I wish it was different was the rear travel. Not because it can't follow the front but simply because I could do bigger drops etc without always bottoming out even with a spacer installed in the shock.

    Because somehow it is impossible (at least for me) to set it up in order to be plush enough for general trail riding and the same time supportive enough in order to resist bottoming out in drops etc.

    Don't get me wrong geometry wise the Sentinel is fantastic but travel wise it could have been better. I have already said that the Patrol seems to be a better option for me but I would like a 29er instead. Maybe the Whyte S150 is a good alternative for me.

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    I wait for the demo truck! Bring it on!
    Safe riding,

    Vik
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    Morning folks!

    The Sentinel is a 100% purpose built bike. There was no compromise with the travel range and geometry, and we explored many different variations during the design and testing process. As with the rest of the V2 line up. All models have a bit less rear travel than fork travel, and this is something we feel suits our bikes very well. Most people who've ridden our bikes can attest, they feel like they have more travel than the travel number suggests.

    And yes, removing a shock travel reducer will cause interference on bottom out. Which again, was not by accident.

    Party on!

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    Based on my experience with the V1 bikes, 140mm will be plenty. Can't wait.

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    Been long forking my bikes for years and years. 15-20mm travel difference front to rear is the sweet spot imo. Good to see bike companies building this into the geometry from go. Super interested to try a sentinel. Not a doubt in my mind it will crush downhills, it's the slow speed tech & tight stuff I am curious about.
    It is no measure of health to be well adjusted to a profoundly sick society.

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    140 or 150, 10mm isn't going to change anyone's life. Only those people upset that someone put a pea under their mattress would really notice.
    I got some bad ideas in my head.

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    How would characterize the purpose of each of the new bikes? I am a PNW rider and looking to move to a longer travel 29er from my 140/125 Niner Rip, and the Senitnel is much slacker and longer than competing bikes (Wreckoning, GG Smash etc) which makes me think it will be a handful on less rowdy trails. Also why no shimano builds?

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    Quote Originally Posted by WHALENARD View Post
    Been long forking my bikes for years and years. 15-20mm travel difference front to rear is the sweet spot imo. Good to see bike companies building this into the geometry from go. Super interested to try a sentinel. Not a doubt in my mind it will crush downhills, it's the slow speed tech & tight stuff I am curious about.
    This thread has got me thinking about geometry and head tube angles . . .

    How is rear travel measured? I always assumed it was the vertical distance the wheel moves between full extension and full compression. If that's the case, it seems that if you want the front and rear travel to be "balanced" you would need the fork travel to be longer than the rear travel because the vertical travel of the fork will be less than the nominal travel. As the headtube angle slackens, this becomes more pronounced.

    My trig is a little rusty, but I think the vertical travel of the fork = sin(HTA) * fork travel. So for the sentinel, sin(64 degrees)*160mm = 143 mm vertical travel. Pretty closely matched to the rear.

    Seems like the math supports Whalenards observations.

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