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Thread: Jumbo Jim

  1. #201
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    Quote Originally Posted by anortherncrazy View Post
    After about three weeks of owning these tires and putting them thru the paces, here's what I've come up with. Great for hardpack snow and dirt, crummy in mud. In loose snow they're ok. Overall, I'm happy with the tire as they're my choice for a summer tire. The compound feels a lot more tacky than the D4's I had before. They roll pretty good as well.





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    are these the 4.0 or 4.8? thanks.

  2. #202
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    4.0


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    two wheel livin'..

  3. #203
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    Quote Originally Posted by anortherncrazy View Post
    4.0


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    Thanks and your review of these tires is helpful as i'm planning to buy a pair of 4.0 Jumbo Jim for trail use. By the way, did you happen to weigh your tires before installing it?

  4. #204
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    You bet man. No I didn't weigh them unfortunately but they're pretty damn light. I'm very happy with the tire though. Rode another 17 miles today and for what I'm riding, around 10 psi was the sweet spot for me. Next winter, I'm gonna run either the 4.8s or the D5s on 100mm rims.


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  5. #205
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    Jumbo Jim

    JJ4.8/Mulefat 80 measure 4.25/ 15 psi. First time tubeless here, very easy.
    Edit/ after 2 weeks another measurement.
    4.5 knob to knob


    Pedaling
    Last edited by rjedoaks; 04-03-2015 at 11:14 AM.

  6. #206
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    ^Nice looking setup...but you got some wheel builders steaming with that tire/wheel alignment.

  7. #207
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    Mulefut sticker delete would be my next move

  8. #208
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    Quote Originally Posted by rjedoaks View Post
    JJ4.8/Mulefat 80 measure 4.25/ 15 psi. First time tubeless here, very easy.


    Pedaling
    nice. may I know where did you purchased your JJ 4.8 and are there any JJ 4.0 available?

    thanks.

  9. #209
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    Quote Originally Posted by rjedoaks View Post
    JJ4.8/Mulefat 80 measure 4.25/ 15 psi. First time tubeless here, very easy.


    Pedaling
    Pretty disappointing measurement result. I have a pair of Mulefut's and purchased JJ4.8's but have yet to put them on due to lack of time. Based on your measurement result, I don't think I am going to actually mount these tires. I currently have Maxxis Mammoth 4.0's that measure just at 100mm on my Mulefut's so not much to gain there other than a larger diameter that will just make my 1st gear less effective.

    Glad you are happy with the tires and I am thankful to see this post. JJ's might be for sale now. Brand new, never mounted.

  10. #210
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    I have a knee tendinitis that has taken way to long to heal. Still a couple months out before any riding. Originally I had Bud's but was reluctant to run tubeless being a heavyweight. When I was able to grab the JJ's (ChainReaction) I figured I'd give tubeless a shot. Sold the Bud's as new. I really made the switch because of the ease of TL. Weight savings was a bonus. To seat Bud properly w/ tubes took 30 psi and they were huge. Aired them down to 10 they are about the same as the JJ.
    Logos?


    Pedaling

  11. #211
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    Has anyone had both Ground Control Fat and Jumbo Jim? Curious to know how they compare size wise, mounted.

  12. #212
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    Just weighed my new JJ's 4.8 Lite Skins... 1305g & 1356g for those who care.

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    Quote Originally Posted by jpfurn View Post
    Just weighed my new JJ's 4.8 Lite Skins... 1305g & 1356g for those who care.
    Ouch aren't they supposed to be 1190 gr for the Lite skin? If so that would put the Snake Skin (1290gr claimed) pretty close to a Ground Control.
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  14. #214
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    Quote Originally Posted by Paochow View Post
    Ouch aren't they supposed to be 1190 gr for the Lite skin? If so that would put the Snake Skin (1290gr claimed) pretty close to a Ground Control.
    Jumbo Jim-image.jpg

  15. #215
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    my JJ 4.9 LS was in 1190g range

  16. #216
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    Check at my LBS today on an availability date September 4.8 $225 each.
    It doesn't matter what I ride as long as I ride it Rubber Side Down●~●.

  17. #217
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    Quote Originally Posted by RockyJo1 View Post
    Check at my LBS today on an availability date September 4.8 $225 each.
    I'll sell you a new one for about half that!

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    Quote Originally Posted by RockyJo1 View Post
    .....availability date September ......
    13 months since the announcement. Maybe next winter.

  19. #219
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    Quote Originally Posted by jpfurn View Post
    I'll sell you a new one for about half that!
    Thanks but I'll wait for 2.
    It doesn't matter what I ride as long as I ride it Rubber Side Down●~●.

  20. #220
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    Quote Originally Posted by RockyJo1 View Post
    Thanks but I'll wait for 2.

    I haven't bought anything from these guys, but they've had 4.8 liteskins in stock for a while. Note the expected available date on the 4.0 and snakeskin tires.

    SCHWALBE JUMBO JIM MTB 26"

  21. #221
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    Quote Originally Posted by jpfurn View Post
    Click image for larger version. 

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    Bummer was hoping to shave a pound or so when I switch to JJ 4.8 TL, looks like I'll stick with the GC's until they are well worn. May actually be lighter than the JJ's once the knobs get worn...
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  22. #222
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    Quote Originally Posted by arc View Post
    I haven't bought anything from these guys, but they've had 4.8 liteskins in stock for a while. Note the expected available date on the 4.0 and snakeskin tires.

    SCHWALBE JUMBO JIM MTB 26"
    Thanks bookmarked but $80 shipping to Canada is a bit steep.
    It doesn't matter what I ride as long as I ride it Rubber Side Down●~●.

  23. #223
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    Quote Originally Posted by Paochow View Post
    Bummer was hoping to shave a pound or so when I switch to JJ 4.8 TL, looks like I'll stick with the GC's until they are well worn. May actually be lighter than the JJ's once the knobs get worn...
    300 grams per tire if the weight is correct.
    It doesn't matter what I ride as long as I ride it Rubber Side Down●~●.

  24. #224
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    highonbikes.com has the 4.8 in stock. I purchased two of them @ roughly $86 per tire. They are in the UK so shipping is a bit pricey and a PITA to wait for. Out the door I paid $218 shipped. Great customer service would buy another pair in a heart beat.

  25. #225
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    Quote Originally Posted by Archangel6 View Post
    highonbikes.com has the 4.8 in stock. I purchased two of them @ roughly $86 per tire. They are in the UK so shipping is a bit pricey and a PITA to wait for. Out the door I paid $218 shipped. Great customer service would buy another pair in a heart beat.
    Thanks a little better on the shipping 270 total Canadian.
    It doesn't matter what I ride as long as I ride it Rubber Side Down●~●.

  26. #226
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    Quote Originally Posted by RockyJo1 View Post
    300 grams per tire if the weight is correct.
    The poster above had said the 4.8 Lite Skins were 1305g & 1356g. Assuming his scale is accurate that would put the TL snake skins in the 1400gr range which is pretty close to the 1450 ish GC's. Granted it is all speculation until the 4.8 Snake Skins hit the streets.
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  27. #227
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    Quote Originally Posted by Paochow View Post
    The poster above had said the 4.8 Lite Skins were 1305g & 1356g. Assuming his scale is accurate that would put the TL snake skins in the 1400gr range which is pretty close to the 1450 ish GC's. Granted it is all speculation until the 4.8 Snake Skins hit the streets.
    I will weigh on a professionally calibrated scale tomorrow and take a pic

  28. #228
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    Quote Originally Posted by jpfurn View Post
    I will weigh on a professionally calibrated scale tomorrow and take a pic
    Cool-thanks!
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  29. #229
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    I did not use a calibrated scale, but my 4.8 Liteskins were 1270 and 1290ish.
    Hunt Hard, Kill Swiftly, Waste Nothing, Offer No Apologies...

  30. #230
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    Jumbo Jim-image.jpg
    Sorry, picture could have been better but it is 1306g and this is the lighter of the 2.

  31. #231
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    That sucks! If the Snake Skins are supposed to be 100gr more, they will likely be very close to my GC's. Was hoping this would be an easy way to shed some rotating weight. Thanks for taking the time to post the pic!
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  32. #232
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    Jumbo Jim-image.jpgJumbo Jim-image.jpg

    Sorry the pics are flipped. The 4.8 @ 10psi on ML(65mm):

    Width= 4.338" (110mm)
    Height= 29.875" (758mm)

  33. #233
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    Quote Originally Posted by jpfurn View Post
    Click image for larger version. 

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    Sorry the pics are flipped. The 4.8 @ 10psi on ML(65mm):

    Width= 4.338" (110mm)
    Height= 29.875" (758mm)
    Same size has my Bulldozers.
    It doesn't matter what I ride as long as I ride it Rubber Side Down●~●.

  34. #234
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    ^Tubeless setup?

  35. #235
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    Quote Originally Posted by jonshonda View Post
    ^Tubeless setup?
    Nope, there was a tube involved!

  36. #236
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    Quote Originally Posted by jpfurn View Post
    Nope, there was a tube involved!
    No wonder.

  37. #237
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    Quote Originally Posted by jonshonda View Post
    No wonder.
    I was actually impressed with how big these are on a ML! They roll even nicer on hardpack/pavement then my D5 and still lighter. It gives the added BB height I like having as well!

  38. #238
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    I mounted up JJ 4.8 on a Nextie 90mm rim, measured 113mm wide, weighed 1330 grams. By comparison, the 4.7 Bulldozer it was replacing was 108mm wide, and not quite tall. I'm running JJ 4.8 on the front with a Bluto, but since my frame is a 170 Fatback, this pushed the rear too far. The bigger JJ rubs the seat stays, and is just starting to kiss the chain. So, it's back to the Bulldozer in the rear. I'm running 1x10 with 42 tooth Wolftooth, with no issues.

  39. #239
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    I have mine on the stock 80mm wheels that came on my Lurch and they couldn't fit better. I'm running 1x10 w30t up front with no interference whatsoever.

  40. #240
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    I gave up on them ordered some Maxxis ones.
    It doesn't matter what I ride as long as I ride it Rubber Side Down●~●.

  41. #241
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    I gave up on waiting for the 4.0 and got a Panaracer Fat B Nimble. I'm happy with it.

  42. #242
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    Quote Originally Posted by Gigantic View Post
    I gave up on waiting for the 4.0 and got a Panaracer Fat B Nimble. I'm happy with it.
    do they measure up smaller than a 3.8 knard? i wouldn't want to drop my bb height any. luckily going from 80mm rims to 65's raised my bb height enough where pedal strikes are mostly a long lost phenomenon.

  43. #243
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    Quote Originally Posted by newmarketrog View Post
    do they measure up smaller than a 3.8 knard? i wouldn't want to drop my bb height any. luckily going from 80mm rims to 65's raised my bb height enough where pedal strikes are mostly a long lost phenomenon.
    they're probably smaller. On a 65mm rim, they measure 3.5" wide and gave me an additional 6mm clearance from the top of my tire to the crown, which for me was a good thing as I was having tire rub on my lefty crown when the stanchion was compressed. ymmv.

  44. #244
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    Quote Originally Posted by Gigantic View Post
    they're probably smaller. On a 65mm rim, they measure 3.5" wide and gave me an additional 6mm clearance from the top of my tire to the crown, which for me was a good thing as I was having tire rub on my lefty crown when the stanchion was compressed. ymmv.
    thank you. i'm gonna go measure my knards.

  45. #245
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    Where the heck are you all getting your Jumbo Jims? I've been looking to get a set of 4" folders for summer tires but have not found any in stock anywhere.
    Latitude 61

  46. #246
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    Quote Originally Posted by newmarketrog View Post
    thank you. i'm gonna go measure my knards.
    That just sounds wrong.
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  47. #247
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    Quote Originally Posted by sryanak View Post
    Where the heck are you all getting your Jumbo Jims? I've been looking to get a set of 4" folders for summer tires but have not found any in stock anywhere.
    Highonbikes.com is where I purchased my 4.8" Jims. Unfortunately, they didn't have 4.0"'s in stock.

  48. #248
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    Quote Originally Posted by RockyJo1 View Post
    I gave up on them ordered some Maxxis ones.
    Good call, this is the response I received when I asked Universal about availability today:

    We arenít expecting those until November 1, 2015.

    Have a good day,

    Schmitty, Universal Cycles
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  49. #249
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    I found another place; hopefully they come through! I ordered them two months ago - and the price was cheap (129 euro for the pair, shipped to USA). I recently checked in to see when they expected them and got this reply:

    Hi Scot,

    the expected delivery time for Schwalbe Jumbo Jim evolution LiteSkin PaceStar Folding model 2015 black-26x4,8 has changed to probably the 15.05.2015.

    With best regards
    bike-components.de OHG
    Commercial register Aachen HRA 6179
    VAT code DE191317292
    Owner: Klaus Hoenig & Marcus Wenkel

    Shipping: Carlo-Schmid 12 D-52146 Wuerselen
    Store: D-52062 Aachen Neupforte 2d

    tel: +49 2405 4500-45
    fax: +49 2405 4500-46

    web: www.bike-components.de
    mail: info@bike-components.de

  50. #250
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    Quote Originally Posted by joeduda View Post
    Good call, this is the response I received when I asked Universal about availability today:

    We arenít expecting those until November 1, 2015.

    Have a good day,

    Schmitty, Universal Cycles
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    I should have stated that this is for the 4.0 version.

  51. #251
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    Quote Originally Posted by sryanak View Post
    Where the heck are you all getting your Jumbo Jims? I've been looking to get a set of 4" folders for summer tires but have not found any in stock anywhere.
    I don't think I've sen anyone on this thread with 4.0" models yet. I was lucky enough to be traveling in the UK for work a couple months ago and a shop in England had the 4.8" models so I scooped em up.

    I'm afraid you'll be waiting on the 4" models because I haven't seen them show up outside of the US either.
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  52. #252
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    Quote Originally Posted by joeduda View Post
    Good call, this is the response I received when I asked Universal about availability today:

    We arenít expecting those until November 1, 2015.

    Have a good day,

    Schmitty, Universal Cycles
    sales@universalcycles.com
    (800) 936 5156
    Universal Cycles - The Largest Selection of Road and Mountain Bike Parts
    So 8 months after they first announced them projected delivery is still 7 months out? Good on Panasonic for getting theirs out reasonably quickly.
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  53. #253
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    Quote Originally Posted by sryanak View Post
    that just sounds wrong.

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    Two come on my Carbon BuckSaw due here in a couple weeks....however, I'm not a fan of Schwalbe Tires, and I want to put Vanhelgas on my Buck....So I might have a set for sale when the BuckSaw arrives. I will keep those of you that like these tires posted.
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  55. #255
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    Quote Originally Posted by vack View Post
    Two come on my Carbon BuckSaw due here in a couple weeks....however, I'm not a fan of Schwalbe Tires, and I want to put Vanhelgas on my Buck....So I might have a set for sale when the BuckSaw arrives. I will keep those of you that like these tires posted.
    I'll take them


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    I will keep you guys in the loop bike isn't here yet!
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  57. #257
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    Quote Originally Posted by sryanak View Post
    So 8 months after they first announced them projected delivery is still 7 months out?
    Yes. The new S.O.P.
    Of course you need to factor in that they gave away a shit-ton of them to any and everyone that was coming out with a new or custom frame over the past year. Almost every show queen I've seen since the announcement has had a pair on.

  58. #258
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    Quote Originally Posted by sryanak View Post
    So 8 months after they first announced them projected delivery is still 7 months out? Good on Panasonic for getting theirs out reasonably quickly.
    Information i received was augustus/september 2015 for the JJ4.0. Staying with VanHelga's anyway.

  59. #259
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    Quote Originally Posted by HDTVdevil View Post
    Information i received was augustus/september 2015 for the JJ4.0. Staying with VanHelga's anyway.
    So that means january 16' then.

  60. #260
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    Quote Originally Posted by newmarketrog View Post
    So that means january 16' then.
    If you get 1 of the 5 pairs available.

  61. #261
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    I was looking for a 4.8 tire and was trying to find availability for JJ or Knard 4.8. I was really lucky to find a set of JJ last week at a pretty decent price from Chain Reaction (213 Can$, free shipping, will go up a bit with duty). 2 days earlier they were list B.O. and at the moment back to B.O again! Can't wait to try them on my Blackborow
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  62. #262
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    I had JJs ordered to get a good tubeless set for trails to replace the Vee tires. Now got me a pair of Beists instead. When hose dont work its time to downside to vanHelga i guess

  63. #263
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    I purchased a set from a dude on EBay buts its been about 5 days and no shippy yet. I'm thinkin he doesn't want to turn loose of em.

  64. #264
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    If they ever arrive, throw them on a scale.

  65. #265
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    Loads available here in UK in 4.8, eBay and Charlie Bikemongers, set mine up on the Moonlander split tube as cannot be bothered with the faff of tape failing on the rims a few months down the line again, interested in price and Ghetto tubeless for no thorn or pinch flats

    Moonlander Ghetto- split tubeless 008 by Bruce, on Flickr
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  66. #266
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    Quote Originally Posted by coastkid71 View Post
    Loads available here in UK in 4.8, eBay and Charlie Bikemongers, set mine up on the Moonlander split tube as cannot be bothered with the faff of tape failing on the rims a few months down the line again, interested in price and Ghetto tubeless for no thorn or pinch flats

    Moonlander Ghetto- split tubeless 008 by Bruce, on Flickr
    Good price on the tires but $500 Canadian shipping seems a bit high.
    It doesn't matter what I ride as long as I ride it Rubber Side Down●~●.

  67. #267
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    I had been running Bud / Bulldozer on my 170 Fatback, both fit fine. Bulldozer in the rear with a 1X drivetrain. Then I got greedy, ordered some 4.8 JJ's and the rear is hitting the seat stay. It's a much taller tire than Bulldozer.

    If anyone wants them, they've never been ridden, just mounted and unmounted. PM me and we'll work out something. I'm back to Nates for the summer now.

    Sidenote: I've got the 4" JJ on my Bucksaw, nice round profile, roll really nice. On par, or faster, than HuDu.

  68. #268
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    1102 and 1148 grams 4.0 snakeskin version setup tubeless
    Attached Thumbnails Attached Thumbnails Jumbo Jim-18209041052_4f17c6eed3_z.jpg  


  69. #269
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    fvcker.

  70. #270
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    Quote Originally Posted by newmarketrog View Post
    fvcker.
    If it makes you feel any better I over paid

  71. #271
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    I've received my 4.8: 1246 and 1277g. I'll try to mount them tubeless this week

  72. #272
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    Quote Originally Posted by bdundee View Post
    If it makes you feel any better I over paid
    ok, mebe just a lil bit

  73. #273
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    I already posted these pics a while ago on the other Jumbo Jim thread, but here they are in case someone missed it. The first one is the 4.0 vs 4.8 on a 65mm rim and the second is the weight of a JJ 4.0 LS. I love both tires sizes on my ML's. The 4.8 provides a little more traction and cushion. The 4.0's just straight up fly!
    Attached Thumbnails Attached Thumbnails Jumbo Jim-image.jpg  

    Jumbo Jim-image.jpg  


  74. #274
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    Quote Originally Posted by bdundee View Post
    If it makes you feel any better I over paid
    where did you get them?

  75. #275
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    I know your question was for B0b, but I got 2 sets of the 4.0's from new take off's. The LS from a Felt DD and the SS from the new carbon Bucksaw.

  76. #276
    frl
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    Got my JJ from Charly the Bikemonger. 4.8" weight in 1185 and 1230. Going to try them to day.

  77. #277
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    Quote Originally Posted by Gigantic View Post
    where did you get them?
    Sorry dude just saw this, I unhappily overpaid for them from a dude who took them off his carbon BS.

  78. #278
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    Anyone have a bunch of miles on a set of these? How are the holding up?
    It doesn't matter what I ride as long as I ride it Rubber Side Down●~●.

  79. #279
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    Quote Originally Posted by RockyJo1 View Post
    Anyone have a bunch of miles on a set of these? How are the holding up?
    I have about 500 miles of riding on the 4.8 Liteskins. Fireroad, rooted and rocky singletrack with jumps and high speed hits. Also a bit on mixed pavement. I love these tires. They have awesome grip and look to be holding up very well with no cut treads or sidewall damage. No flats, no burps, no problems. Running tubeless on Mulefut rims with the Mulefut tubeless tape. A few cups of stans in each tire.

    My only complaint is not related to this tire, but more towards fat tires in general. Although grips levels are really awesome in most situations, fat tires get really bad in marbles. If you think about it, you end up with more tire surface area to get up on marbles and distribute the weight. I prefer skinnies when conditions have loose rocks over firm dirt. On the fats, I can loose the front end at 5mph in a hairpin with marbles. Sketchy as ****.

    All that being said, I have not touched any of my other bikes now since February when I got the Les Fat. I'm ready to start selling some of the other rides starting with the 20lb carbon full rigid 29er XC racer. The Les Fat is only 6 lbs heavier and 20X the fun.
    Hunt Hard, Kill Swiftly, Waste Nothing, Offer No Apologies...

  80. #280
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    Quote Originally Posted by RockyJo1 View Post
    Anyone have a bunch of miles on a set of these? How are the holding up?
    I've been pushing these tires hard on the trails and have put a lot of miles on pavement exercising the hound. I've been switching back in forth between the 4 and 4.8 and thought it should be known the 4.8 has noticably taller knobs. They provide more grip and a slight hum on pavement compared to it's little brother. I had my first washout with the 4.0 while pushing hard in a corner on somewhat slick single track. I lost a little confindence but have a short memory. Still favorite summer tire for sure!

  81. #281
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    I know a few people that have tried the 4.0's and the opinions are pretty much the same. All took the tires off after a couple rides.

    Might make it easy to get some take off's for cheap if you want to try them.

  82. #282
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    Quote Originally Posted by wrcRS View Post
    I know a few people that have tried the 4.0's and the opinions are pretty much the same. All took the tires off after a couple rides.

    Might make it easy to get some take off's for cheap if you want to try them.
    I got my 4.0's off a guys that never even tried them. One was Clydesdale that wanted a 4.8 and another that worked for a competitor tire company so had no choice. What are the reason the riders you know ditching them?

  83. #283
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    Quote Originally Posted by jpfurn View Post
    I got my 4.0's off a guys that never even tried them. One was Clydesdale that wanted a 4.8 and another that worked for a competitor tire company so had no choice. What are the reason the riders you know ditching them?
    Slow rolling (with backup data from a local pro) and low levels of grip. Both of these in my mind point to the lack of knobbies both on the edges of the tire and center.

  84. #284
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    Quote Originally Posted by RockyJo1 View Post
    Anyone have a bunch of miles on a set of these? How are the holding up?
    I'm still diggin' mine. Had them(4.0 LS)since early March and I use the bike everyday(don't own a car). I still like them a lot for what I use them for, which is everything. Commuting, ride beaches, singletrack, snow, and you get the picture. This is my favorite tire for "everything". It's light, it has plenty of traction for most situations, and heck, I got them for a steal from my buddy that bought a Felt and opted for Van Helgas instead. Would not hesitate to buy them again. Been running them tubeless on Nextie 65mm rims since March. The compound is nice and tacky so they seem to wear faster than any other tire I've owned(Larrys, Knards, Hudus, D4s, Sterlings). I'm okay with that.



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    two wheel livin'..

  85. #285
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    Quote Originally Posted by wrcRS View Post
    Slow rolling (with backup data from a local pro) and low levels of grip. Both of these in my mind point to the lack of knobbies both on the edges of the tire and center.
    I run mine at 8 psi on the trails and on gravel road rides and am very happy with the grip. Could be my lack of confidence on other tires, but I am able to corner pretty hard with the 4.0's.

    That said - I've never ridden any other tire on a fatbike as aggressively as I ride mine. What do you suggest as a good tire? I'm always willing to try new ones.

  86. #286
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    I local has the JJ w/ 65mm Nextie setup and loves them. He is coming off 3.8 Knards, and says the added traction and weight reduction are very noticable over the Knards.

  87. #287
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    I run 4.0 on 65mm as well and have some 85mm wheels on the way I'd like to run year round. I'm going to try the 4.0's first but think the 4.8 is the overall better option. Anyone have 4.8's they'd trade for 4.0's if I decide to go that direction?

  88. #288
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    Quote Originally Posted by wrcRS View Post
    Slow rolling (with backup data from a local pro) and low levels of grip. Both of these in my mind point to the lack of knobbies both on the edges of the tire and center.
    My 4.0's seem to roll very fast, I'm only a pro in my own mind though. I do yell braaaaap coming out of every corner and that seems to help.

  89. #289
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    Quote Originally Posted by bdundee View Post
    My 4.0's seem to roll very fast, I'm only a pro in my own mind though.
    A local non-pro but very fast and weight aware rider loves them, and he is coming off of the fastest rolling dirt capable fat tire in production (knard).

  90. #290
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    If anyone has a pair of 4.0's that are in new condition for sale, I will buy them. Thanks!

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    I got impatient and ordered some JJ 4.0s from overseas (why they aren't avail locally when bikes are sold with them spec'd, I have no idea). I got snakeskin, so 1114 and 1109 for weights.

    Compared to the very worn Husker Du and Knard 3.8 that they replaced, they weighed a bit less and have much more aggressive knobs. Just got back from a quick shakedown ride, haven't ridden them on single track.

    It seemed like asphalt would be the best place to compare rolling resistance/speed since it should be less of a factor in dirt or snow. When I ordered the tires I rode a local 16 mi, twisty, hilly path loop at 18.5mph avg. With the JJs, 18.5 again. So, if they're slower it can't be by much and my previous combo was pretty fast rolling.

    Definitely could feel the larger off center knobs in corners (not an advantage on the path) but it may translate to an advantage on dirt or snow. I expect them to have better traction than what they're replacing.

  92. #292
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    Curious where you got the 4.0's

  93. #293
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    I gave up and went back to the bulldozers.
    It doesn't matter what I ride as long as I ride it Rubber Side Down●~●.

  94. #294
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    18.5 avg on any fat tire is damn impressive. I gave up on the Jumbo Jims also and went with the Maxxis 4.0. Roll really nice but I wont be averaging 18.5 mph anytime soon.

  95. #295
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    On the local tracks (45km with 70% unpaved or single-track), I average between 20 a day 22km/h when riding alone on my Mutz and VanHelga's. With my riding buddies it drops to 16-18km/h. On some downhills, topspeeds of 45-50 are possible.

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  96. #296
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    [QUOTE=HDTVdevil;12046721]On the local tracks (45km with 70% unpaved or single-track), I average between 20 a day 22km/h when riding alone on my Mutz and VanHelga's. With my riding buddies it drops to 16-18km/h. On some downhills, topspeeds of 45-50 are possible.

    18.5 mph was the avg, not km/h.

  97. #297
    frl
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    Was riding with my brother last week. On asphalt. He was riding road bike and I on fb with JJ 4.8". 86 km. Average speed 26.5 km/t. He asked if I got a engine in the bike.---- yes, to legs.
    average hart rate, 68 % of max pulse. I will say JJ roll good on asphalt. And helps that the fb weights 11.7 kg with bluto.

  98. #298
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    I was riding the other day with some guys that do a lot of EPO and they were struggling to keep up because I'm really fast and no one here can prove otherwise. I must have been averaging 45.3 mph because I also outran a rutting gazelle. Uphill.
    You change your own flats? Support your LBS and pay them to instead.

  99. #299
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    Talk to me when you can out sprint a cheetah.
    It doesn't matter what I ride as long as I ride it Rubber Side Down●~●.

  100. #300
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    Quote Originally Posted by Volsung View Post
    I was riding the other day with some guys that do a lot of EPO and they were struggling to keep up because I'm really fast and no one here can prove otherwise. I must have been averaging 45.3 mph because I also outran a rutting gazelle. Uphill.
    I call BS!
    It was a false flat at best.

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