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  1. #1
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    FAtback/ Speedway Tires?

    A little bird just told me about some new tires coming out this year under the Fatback name, with a size slated between 4.0 and 4.8...
    I predict a faster rolling, high flotation option, with less aggressive tread than Bud/Lou.

    Will be nice to have another option, adding to the Specialized and Bontrager releases this year as well.
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  2. #2
    JYB
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    Wicked cool!!!

  3. #3
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    I should neg rep you for being a tease, but I am a good mood from a 30 mile road ride, so I will let this slide.

  4. #4
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    Freakin awesome!!
    Last edited by bdundee; 08-28-2013 at 11:31 AM.

  5. #5
    Fat & Single
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    Why do tyres excite me more than any other component
    Evil Following
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  6. #6
    Fat & Single
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    Poz rep for freeing the cat.... i'll hunt you down if they don't eventuate
    Evil Following
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  7. #7
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    Re: FAtback/ Speedway Tires?

    which little bird told you this ,,,is it a trusted source ,get some more info plz

    Sent from my Transformer TF101 using Tapatalk 2

  8. #8
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    Quote Originally Posted by ozzybmx View Post
    Why do tyres excite me more than any other component
    Me too. The pile of tires in my basement is impressive. There are at least a dozen different models in a variety of sizes adding up to about 30 pieces. For me it's because the tire can make or break the ride so I have a collection. When I travel I bring a box of tires so I can change out depending on what's needed for the the day.

  9. #9
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    Quote Originally Posted by ozzybmx View Post
    Why do tyres excite me more than any other component
    Cuz tires are the thing that makes a fatbike fat!

  10. #10
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    FAtback/ Speedway Tires?

    Between 4.0 and 4.8 is awesome!


    "You're like a Ferrari engine driving a dump truck"

  11. #11
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    I need some speedie tires for my clown shoes!

  12. #12
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    schwing!

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    owner/raconteur at fat-bike.com

  14. #14
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    those look real nice!

  15. #15
    Harmonius Wrench
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    Quote Originally Posted by yxan View Post
    those look real nice!
    +1 Good size as well.
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  16. #16
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    I'm excited for these. I hope the pricing is reasonable!
    Jason
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  17. #17
    Harmonius Wrench
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    Quote Originally Posted by JAGI410 View Post
    I'm excited for these. I hope the pricing is reasonable!
    One would guess maybe they would be, seeing that they are Vee Rubber made.
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  18. #18
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    Quote Originally Posted by Guitar Ted View Post
    One would guess maybe they would be, seeing that they are Vee Rubber made.
    That's what I'm hoping, but a wider casing, custom tread, and sole distributor (guessing) might add a slight premium.
    Jason
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  19. #19
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    Sweet!! kinda looks like a serious game of tetris going on.

  20. #20
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    Oh and I wonder what they measure on 90"s and hundies?

  21. #21
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    Quote Originally Posted by bdundee View Post
    Oh and I wonder what they measure on 90"s and hundies?
    Wider and flatter
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  22. #22
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    Quote Originally Posted by Beard of Power View Post
    Wider and flatter
    Brilliant but fat tires are a game of mm looking for a true answer. It makes a big difference in future purchases.

  23. #23
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    A little more fatness for sub 190?

  24. #24
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    FAtback/ Speedway Tires?

    Quote Originally Posted by bdundee View Post
    Brilliant but fat tires are a game of mm looking for a true answer. It makes a big difference in future purchases.
    Patience is a virtue.


    "You're like a Ferrari engine driving a dump truck"

  25. #25
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    Quote Originally Posted by Schott View Post
    Patience is a virtue.


    "You're like a Ferrari engine driving a dump truck"
    Thanks Schott I needed that! (btw enjoy your posts) I've been anxious to hear more about these tires for a couple of months now

  26. #26
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    This tire might be the ticket to running one of the new suspension forks with clown shoe rims. The Carver rep said in one of the threads that they fit BFL but it was tight... so this slightly narrower but still big Fatback tire gets
    ...Be careful what you're looking at because it might be looking back...

  27. #27
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  28. #28
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    Is it possible that this tire will still be over 4" on a Marge Lite?

    Either way put me down for a pair.

    Any word on carbon rims?

  29. #29
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    nice!
    I hope they fit on a 2012 fatback with 90mm rims

  30. #30
    nothing to see here
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    thread fails without pics

    FAtback/ Speedway Tires?-img_4842-600x800.jpg
    I see hills.

    I want to climb them.

  31. #31
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    Quote Originally Posted by bdundee View Post
    Brilliant but fat tires are a game of mm looking for a true answer. It makes a big difference in future purchases.
    If you look here:

    How Fat can we go? | Blog | Surly Bikes,

    You'll see that most tire casing widths grow 5-7 mm as you step up from 80 mm to 100 mm rims (Lou is an exception at 10 mm casing growth). Call the average 6 mm. That means every 10 mm increase in rim width yields roughly 3 mm in casing growth. So if the tire is really 4.25 inches on a 70 mm rim, then its width in mm on that rim is 108 mm (=4.25 *25.4). So you'd expect it to be 111 mm on a 80 mm rim and 117 on a 100 mm rim. That puts it somewhere between a Big Fat Larry and Bud/Lou. If so, it's my next tire purchase.
    --Peace

  32. #32
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    Quote Originally Posted by Lars_D View Post
    If you look here:

    How Fat can we go? | Blog | Surly Bikes,

    You'll see that most tire casing widths grow 5-7 mm as you step up from 80 mm to 100 mm rims (Lou is an exception at 10 mm casing growth). Call the average 6 mm. That means every 10 mm increase in rim width yields roughly 3 mm in casing growth. So if the tire is really 4.25 inches on a 70 mm rim, then its width in mm on that rim is 108 mm (=4.25 *25.4). So you'd expect it to be 111 mm on a 80 mm rim and 117 on a 100 mm rim. That puts it somewhere between a Big Fat Larry and Bud/Lou. If so, it's my next tire purchase.
    That's cool thanks but still pushing for real life actual measurement atleast for a starting point. It kinda makes a difference if I want to stick with my 90's or go up to hundies.

    P.S. I do believe as far as what my resource was saying it should be pretty close to a .4.25 but I do know the kingpin is watching this thread so I'm just trying to pry some more info out of him. Oh and tubeless width as well

  33. #33
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    Quote Originally Posted by Lars_D View Post
    That puts it somewhere between a Big Fat Larry and Bud/Lou.
    Just wondering how you think that? The "spec" measurements are 4.2" / 4.7" / 4.8"

    I don't see how this 4.2" could be between BFL and Bud/Lou.
    ...Be careful what you're looking at because it might be looking back...

  34. #34
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    Quote Originally Posted by duggus View Post
    Just wondering how you think that? The "spec" measurements are 4.2" / 4.7" / 4.8"

    I don't see how this 4.2" could be between BFL and Bud/Lou.
    Wow, did you even bother to read my post or look at the link? Take a look at the link and compare the tire widths at various rim sizes.
    --Peace

  35. #35
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    Quote Originally Posted by duggus View Post
    Just wondering how you think that? The "spec" measurements are 4.2" / 4.7" / 4.8"

    I don't see how this 4.2" could be between BFL and Bud/Lou.
    This is why I'm trying to get it right from the horses mounth to bypass the armchair tire speculations. So far all I've gotten is one smart a$$ answer and one good edjucated guess (the later was appreciated btw)

  36. #36
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    Haven't the 70mm/90mm UMA rims given similar tire widths to Surly 82/100 rims? I thought I read that somewhere.
    Jason
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  37. #37
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    Quote Originally Posted by JAGI410 View Post
    Haven't the 70mm/90mm UMA rims given similar tire widths to Surly 82/100 rims? I thought I read that somewhere.
    My experience yes and no at least for the 90mm/100mm. with the Umas set up tubeless they run pretty close to a hundie with a tube but with both set up with tubes there is a 3mm ish difference.
    Last edited by bdundee; 08-27-2013 at 08:46 PM.

  38. #38
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    FAtback/ Speedway Tires?

    I will be curious to see the reviews of these tires.


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  39. #39
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    The tread blocks look like tetris cubes.

  40. #40
    All fat, all the time.
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    Might be looking at my next set of tires!! Hopefully they roll fast on dirt!

  41. #41
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    Re: FAtback/ Speedway Tires?

    Quote Originally Posted by Lars_D View Post
    Wow, did you even bother to read my post or look at the link? Take a look at the link and compare the tire widths at various rim sizes.
    Yes I read your post and I've seen the Surly specs. But if you take 3 tires at 4.2, 4.7, and 4.8 and put them on the same rim, the 4.2 isn't going to fall between the 4.7 and 4.8 width. Unless the tire manufacturer is bad at measuring or I am missing something?
    ...Be careful what you're looking at because it might be looking back...

  42. #42
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    ...different tire manufacturers...different standard measurements...
    AngryAsian: Tyre Makers - Spell Out Exactly What You're Selling - BikeRadar

    I would compare the measurements to VeeRubber's other tires...
    If Huffy made an airplane, would you fly in it?

  43. #43
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    Quote Originally Posted by damnitman View Post
    ...different tire manufacturers...different standard measurements...
    AngryAsian: Tyre Makers - Spell Out Exactly What You're Selling - BikeRadar

    I would compare the measurements to VeeRubber's other tires...
    Or one of our AK friends could sneak over to their shop with a caliper and put end to this.

  44. #44
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    I think the tires are currently out on a beach trip...https://www.facebook.com/SpeedwayCycles
    If Huffy made an airplane, would you fly in it?

  45. #45
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    Quote Originally Posted by damnitman View Post
    I think the tires are currently out on a beach trip...https://www.facebook.com/SpeedwayCycles
    Damn it men what are you waiting for, somebody go catch up with them fellers
    Last edited by bdundee; 08-26-2013 at 04:02 PM.

  46. #46
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  47. #47
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    FAtback/ Speedway Tires?

    So these tires are .2 wider than current vee rubber offerings So does vee rubber have a new casing or is it the knobbies bringing the width out to 4.2? I guess we will find out when released.


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  48. #48
    Fat!Drunk!Slow!
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    More tease from the lasted ride found on Faceboon:


  49. #49
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    From the article posted giving the tire info...it states that it's a Kevlar bead that is tubeless compatible.

    It is also my understanding that the Uma rims are designed to hold a tire bead a little tighter than other rims, and thus hold a tubeless setup better; correct?

    Now; is this tire designed with the Uma rims in mind; and if so, what does that mean? Seems like a natural course of action that they are.

    Again; if so, what will it mean for the non Uma rims?

    I suppose that will take a little time to pan out.

  50. #50
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    Word is the casing width is about 105mm set up tubeless on a 70mm rim and GO!!


    p.s. Thank you Fatback!!
    Last edited by bdundee; 08-28-2013 at 02:37 AM.

  51. #51
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    Quote Originally Posted by Lars_D View Post
    If you look here:

    How Fat can we go? | Blog | Surly Bikes,

    You'll see that most tire casing widths grow 5-7 mm as you step up from 80 mm to 100 mm rims (Lou is an exception at 10 mm casing growth). Call the average 6 mm. That means every 10 mm increase in rim width yields roughly 3 mm in casing growth. So if the tire is really 4.25 inches on a 70 mm rim, then its width in mm on that rim is 108 mm (=4.25 *25.4). So you'd expect it to be 111 mm on a 80 mm rim and 117 on a 100 mm rim. That puts it somewhere between a Big Fat Larry and Bud/Lou. If so, it's my next tire purchase.
    This turned out to be pretty close only about 3mm off

  52. #52
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    So this tire could be very close to 4.5" (casing width) on a 100mm rim?

  53. #53
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    Quote Originally Posted by mtuck1 View Post
    So this tire could be very close to 4.5" (casing width) on a 100mm rim?
    I'll bet once someone actually measures the tire it will be precisely "as fat as Speedway could make it to fit on as many pre-Bud/Lou 170mm frames as possible", or in another unit of measurement "just what a lot of people have been asking for".

  54. #54
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    It was already measured 105mm on 70mm rims tubeless and yes it will about max out a Fatback 170mm frame on hundies

  55. #55
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    "....just what a lot of people have been asking for..."!

    !

  56. #56
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    Will the Sterling tire fit the Ti fatback 170 on 80 mm Uma?

  57. #57
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    Quote Originally Posted by buggymancan View Post
    Will the Sterling tire fit the Ti fatback 170 on 80 mm Uma?
    Didn't know they made a 80mm rim.

  58. #58
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    Quote Originally Posted by bdundee View Post
    Didn't know they made a 80mm rim.
    I guess it will be 77 mm Carbon according to the preliminary specs
    Last edited by buggymancan; 09-22-2013 at 07:28 PM.

  59. #59
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    I would call Fatback on that one or measure your clearance and we can help ya armchair guess it.

  60. #60
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    anyone have any updates, possibly availability dates of this tire?
    Today I will do what others won't, so tomorrow I can do what others can't

  61. #61
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    Just got this response from fatback

    "Look for release early next month."

    Today I will do what others won't, so tomorrow I can do what others can't

  62. #62
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    Good stuff!
    I'm pretty sure that these have the same casing as the Vee Snowshoe that we developed with Vee (see separate thread). I'm sure the weight will be awesome on the Sterlings as well.
    Espen Wethe
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  63. #63
    PUG U!!!
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    Drop date Nov. 10th
    Per Nick @ FatBack

  64. #64
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    I'm excited for these....but I doubt they will fit....my steel Fatback
    Jason
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  65. #65
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    Quote Originally Posted by JAGI410 View Post
    I'm excited for these....but I doubt they will fit....my steel Fatback
    Yeah me too!!
    I have 4.75" on my Pugsley, both front and rear.
    I've got H.D. On LM right now; so I'm hoping 4.25's will squeeze in, but we'll see.
    I've got maybe 1/2" on either side at around 12-15 psi...... So it a big maybe.

  66. #66
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    It should fit a Pugsley fine. It should be a touch smaller than a BFL, which I stuffed in my Pugs on LM's without issue or loss of gearing.
    Jason
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  67. #67
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    Supposed to be coming in this week!!

    FAtback/ Speedway Tires?-sterling.jpg

    I am mounting mine on a Clownshoe on the back of my Mukluk. If it fits with any extra room, then I may set it up tubeless.
    --Peace

  68. #68
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    Today I will do what others won't, so tomorrow I can do what others can't

  69. #69
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    Quote Originally Posted by TitanofChaos View Post
    Sweet!
    Rated 4.25'' on a 70mm rim, so wider on a 80mm, wider yet on a 90mm, even more on a 100mm, and widest on a 103mm rim. I have a strong suspicion that Vee used the same casing as on the Vee Snowshoe. Same Silica compound, and tubeless friendly beads.
    Espen Wethe
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  70. #70
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    I'm in!

  71. #71
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    Ohhhhhhh! This could be just the ticket for my Muk.

    Can't wait for some reviews!
    2016 Trek Farley 7
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  72. #72
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    I saw these at Outerbike and they are cool. Also, they just posted on facebook today that they will be available this week and weigh 1300 grams.

    Also, the ones at Outerbike were set up tubeless ...

  73. #73
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    assuming they leave the shop pretty quickly I can get pictures and measurements on my 907 and farley on 47mm northpaws, 65mm marge lites and 70mm fatback rims by middle of next week

    if my friends with muks stop over we'll get them on 80's too yet
    Today I will do what others won't, so tomorrow I can do what others can't

  74. #74
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    Ordered. I'm interested to see how they compare to the snowshoe.

  75. #75
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    Re: FAtback/ Speedway Tires?

    Picked mine up just now. Weight is good.


    FAtback/ Speedway Tires?-uploadfromtaptalk1383792565015.jpg


    --Lars
    --Peace

  76. #76
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    Come on it doesn't take 15 minutes to mount a tire !!!!!!

  77. #77
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    Nice Weight...Can you get a pic and some specs mounted on your clown shoe?

  78. #78
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    Can you give us the following mounted measurements:

    Rim outer width (100)?
    tire casing width?
    tire width at shoulder knobs?
    tire height?

    recommed 10PSi

    Thanks,

    Ken

  79. #79
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    Re: FAtback/ Speedway Tires?

    I picked one up after work and mounted it on the rear of my 2012 Mukluk with a Clownshoe rim. The tire seated very easily with a hand pump. I didn't even need to use dish soap. I don't have a caliper, but it looked comparable to my very well stretched Husker Dus.

    FAtback/ Speedway Tires?-uploadfromtaptalk1383796576751.jpg

    ...and also looked good on the bike...

    FAtback/ Speedway Tires?-uploadfromtaptalk1383796700282.jpg

    After mounting it, I took it for a short test ride. The tire felt nice and supple. The rolling resistance was as low or lower than my Husker Du, which was impressive given the tire's lack of a center ridge.

    The next morning, the tire had stretched a bit but still cleared the chain stays with 4-5 mm on each side. I'd say it's now 3-4mm wider than the Husker Du and probably about 110mm at the widest part of the casing. The extra width compared to a Husker Du doesn't sound like a lot, but if you do the math its 6-8% more float--a nice improvement.

    I should probably note that the tread is narrower than on some other fat tires. Greg actually pointed that out to me when I picked it up. He said that the last row of side nobs are mostly for looks and don't do much to help traction. To test that I leaned the bike over to the very edge of the tread. It looked to me like the bike would have to be almost horizontal before the tread contact would be an issue, so I tend to agree with Greg.

    Overall, my first impression was very favorable--the tire is affordable, light, and helps add a bit more float.
    Last edited by Lars_D; 11-08-2013 at 07:04 AM.
    --Peace

  80. #80
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    Would I need to worry about the rated min psi rating??
    At times, I'm riding at 4 psi or lower. I've never seen a min psi rating before is why I'm asking.
    Thank you for your time!
    Peace, Joe

  81. #81
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    I ride the Vee Mission on my bike at 5PSI without issue (it says minimum of 8 PSI on the sidewall).

  82. #82
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    Someone corrrect me if I'm wrong, but riding any of the tires at extremely low psi on a regular basis will wear out the sidewalls faster than if you didn't. The Sterling should be no different in that regard. It's a great looking tire and a nice all around size. I plan on using them this winter. The weight is similar to a Husker Du and the Escalators, but you should get better floatation.

  83. #83
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    Quote Originally Posted by TBerntson View Post
    Someone corrrect me if I'm wrong, but riding any of the tires at extremely low psi on a regular basis will wear out the sidewalls faster than if you didn't. The Sterling should be no different in that regard. It's a great looking tire and a nice all around size. I plan on using them this winter. The weight is similar to a Husker Du and the Escalators, but you should get better floatation.
    This is correct. I usually kill 1 tire a winter season due to sidewalls wearing away. Mostly the rear tire if I don't rotate it around enough. In winter, you'll lose your sidewalls long before you wear away the tread, for me at least.

  84. #84
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    Yeah, not like I'm riding at that low psi all the time, but there are times it's needed. I guess seeing the 8 psi on the sidewall kind of made me think twice for a minute. LOL
    My Husker Du's have served me very very well.... I'm interested to see how well the Streling will hook up!

  85. #85
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    Can't wait to put a few thousand miles on this tire. Ive Never had any long term time spent on VeeRubbers casing and interested to see how the dual compound silica performs.

  86. #86
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    I stopped in Speedway earlier this week and after feeling how light they are compared to my 90 tpi Nate and HuDu, I'm itching to give my Fatback a huge upgrade.
    "but you are a jerk, google it!" anonymous negative feedback 09-18-2012 09:07 AM Keep is positive folks!

  87. #87
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    Quote Originally Posted by TBerntson View Post
    The weight is similar to a Husker Du and the Escalators...
    Escalators yes, but the new 120TPI non studded Dillenger (no more Escalator) weighs in at just over 1200 grams new, 100 grams less. Pretty significant, but I still ordered a pair of Sterlings based on the tread pattern expecting a slight increase in weight with the larger casing. Sure would be nice though if they came in at the low 1200s.
    Rolling on 2 Fat Tires-BlogUpdated when I feel like it or when I get mail

  88. #88
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    Quote Originally Posted by wyoracerX View Post
    Escalators yes, but the new 120TPI non studded Dillenger (no more Escalator) weighs in at just over 1200 grams new, 100 grams less. Pretty significant, but I still ordered a pair of Sterlings based on the tread pattern expecting a slight increase in weight with the larger casing. Sure would be nice though if they came in at the low 1200s.
    The average Sterling is coming in at 1250g. All the pre-production samples were at 1300g, so that's where that number came from.
    It's fine to run as low pressure as you need. We test them tubeless down to 2psi.
    Speedway Cycles owner http://fatbackbikes.com

  89. #89
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    Quote Originally Posted by wyoracerX View Post
    Escalators yes, but the new 120TPI non studded Dillenger (no more Escalator) weighs in at just over 1200 grams new, 100 grams less. Pretty significant, but I still ordered a pair of Sterlings based on the tread pattern expecting a slight increase in weight with the larger casing. Sure would be nice though if they came in at the low 1200s.
    My Escalators weighed in at 1250 each and I was in my LBS yesterday and they had 180 tpi Escalators in brand new packaging right next to all the other 45 North tires. I wondered about the tales of their demise when I saw that.
    Latitude 61

  90. #90
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    I set up my Sterling tire tubeless today. It went well. The details are on the Tubeless Tuesday thread.

    FAtback/ Speedway Tires?-img00444.jpg
    --Peace

  91. #91
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    Lars,

    Thants a nice looking rack... i mean the rear rack looks sturdy. What brand of rack is that?

  92. #92
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    Re: FAtback/ Speedway Tires?

    Topeak Super Tourist.

    --Lars
    --Peace

  93. #93
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    I got mine today. Pretty fast shipping from Alaska to NY! They weigh 1,240, and 1,290 grams respectively. Width (with tubes) on Marge Lites at 20 psi is 3.74", and 3.76". I would guess they may grow slightly as they acclimate to being fully inflated but I will also air them down before riding so they may wind up smaller. I think these measurements are pretty close to a test I read on fat-bike.com involving the snowshoe which is suppose to be the same casing which they measured at 3.69" on ML's. The HuDu's that I normally run measure 3.56" - 3.62". I would say the glaring difference without having ridden the Sterlings yet is the width of the shoulder knobs which is narrower than the HuDu's. Not sure how I feel about that.
    FAtback/ Speedway Tires?-dscn1183.jpg

  94. #94
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    How tall are the lugs?

  95. #95
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    Knob height on the Sterlings is just slightly under 4mm.

  96. #96
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    How wide are the marge lite rims? I thought these were to measure 4.25" on a 70 mm rim?

  97. #97
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    Marge Lites are 65mm.

  98. #98
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    Do you happen to know the inner width of the Marge Lites?

  99. #99
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    Mtuck, care to post some pics of the tires mounted. Close ups, side and head on?

    Sent from my mobile
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  100. #100
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    The Marge Lites measure approximately 59mm inside. I took the Sterlings out for a short trail ride today and then swapped back to the Husker Du's and went back out and did the same ride at the same effort again. The garmin data is posted on my Strava page so if you are in the group it is easy to find if anyone wants to see it. Long story short, from my seat of the pants perspective, the HuDu's are the clear winner. I have a couple of pic's of the Sterlings but won't put them back on to take more. The side view is in an earlier post. There is plenty of clearance everywhere. I was hoping they were going to be almost half an inch bigger which would have still cleared easily.
    Attached Thumbnails Attached Thumbnails FAtback/ Speedway Tires?-dscn1184.jpg  

    FAtback/ Speedway Tires?-dscn1185.jpg  


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