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  1. #1
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    Post you RUSH 650B

    Finnaly,
    Here is my old 2008 Rush 4 converted to 650B. It feels like a complete different bike, feels like it was meant to be a 650B.
    Attached Thumbnails Attached Thumbnails Post you RUSH 650B-p9020231.jpg  

    Post you RUSH 650B-p9020239.jpg  

    Post you RUSH 650B-p9020240.jpg  

    Post you RUSH 650B-p9020234.jpg  

    Post you RUSH 650B-p9020233.jpg  

    Post you RUSH 650B-p9020236.jpg  

    Post you RUSH 650B-p9020237.jpg  

    08 Rush 4 - 650B
    10 Synapse 5 Carbon

  2. #2
    No good in rock gardens..
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    Nice. Is the swingarm X brace still in there?
    My Cannondale Lefty keeps failing....

  3. #3
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    Quote Originally Posted by Sideknob View Post
    Nice. Is the swingarm X brace still in there?
    You're right, no room for original brace. If i ever feel the need, it will make a new one and put it on the other side of the tabs but for now, i do not feel the difference with or without.
    08 Rush 4 - 650B
    10 Synapse 5 Carbon

  4. #4
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    Quote Originally Posted by surf418 View Post
    You're right, no room for original brace. If i ever feel the need, it will make a new one and put it on the other side of the tabs but for now, i do not feel the difference with or without.
    If you do make another brace for the other side of the tabs, make sure it doesn't contact the seat tube.

  5. #5
    Ridin' dirty!
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    That has to be the nicest Rush I've seen.
    "Common sense isn't always that common!"
    Custom Prophet and Custom Delta V

  6. #6
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    @Surf418: I'm thinking about to do the same with my 2007 rush 05. Are you happy with this wheelset? why? Is it an expensive transformation?

    thanks!

  7. #7
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    Does 650B help improve crankarm height ?
    And yes .....conversion costs please .
    Might be an alternative to a new bike .

  8. #8
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    about crankarm, the bike raise about 19 mm. (more or less the half of 1"1/2)

  9. #9
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    Mangarush: very happy with this choice. Hope Pro2 EVO+ Lefty SI hub+ Blunt SL+DT Swiss comp= a little less than $700.
    Yep, it raise the BB of 3/4" and it shows, no more rubbin.
    It definitely feels like a new bike once completed and it worth every dollars spent.
    Very satisfied of Pacenti Neo 2.1, great all-around tire.

    Do not hesitate, the Rush frame is a keeper. I love the low maintenance swing arm and also like the fact that's is "made in the USA".
    08 Rush 4 - 650B
    10 Synapse 5 Carbon

  10. #10
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    My 650b Carbon Rush on Pikes Peak this past summer. Ridden up from 6000ft to 12000ft to watch the auto hill climb.

    Stans 355 wheel conversion, DT hubs. I obtained a spare swingarm and removed the brace tabs. The 2.3 tire cleared the tabs, but I wanted a little more room.

    24.25lbs with NeoMoto 2.3s and 23.5lbs with Racing Ralphs

    The 650b wheels really improved the Rush. Better rollover, traction and no more pedal strikes. Still rails in the quick single track as the Rush always did. What a great trail bike it is now. If you have a Rush, this is a highly recommended and simple conversion, do it!
    Attached Thumbnails Attached Thumbnails Post you RUSH 650B-rush650bposersmall0.jpg  

    Post you RUSH 650B-rush650bposersmall1.jpg  

    Post you RUSH 650B-rush650bposersmall2.jpg  

    Post you RUSH 650B-rush650bposersmall3.jpg  


  11. #11
    High Alpine Adventure
    Reputation: DaGoat's Avatar
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    Quote Originally Posted by superv43 View Post
    My 650b Carbon Rush on Pikes Peak this past summer.
    Very nice Super!
    Dug-Da-Goat

    Something changes at 12,000'
    ...so welcome to the Odyssey!

    Building your trails at FooMTB

  12. #12
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    so a 2.3 neo moto will clear the rear if i go 650b on my RUSH?

    what do you guys recommend for aggressive single track riding with occasional jumps; a 2.1 or 2.3 neo moto?

  13. #13
    mtbr member
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    i ride 2.1, got great traction on all-terrain, nice clearance on the swing arm.
    08 Rush 4 - 650B
    10 Synapse 5 Carbon

  14. #14
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    Nice bikes!
    Forks are for eating, Lefty's are for racing,

  15. #15
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    Nice bikes - I sooo want to do this
    '07 Rush Carbon 2

  16. #16
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    Cool bikes , it sure seems like it would rub the seat tube.
    Herbalastin'

  17. #17
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    Great bikes,
    I wonder if i can convert my caffeine 2009 hard tail to 650b....

  18. #18
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    Quote Originally Posted by Herb will heal the nation View Post
    Cool bikes , it sure seems like it would rub the seat tube.
    It may seems to you but it never does, not with my setup that's for sure.
    08 Rush 4 - 650B
    10 Synapse 5 Carbon

  19. #19
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    anybody getting tire rub on hard hits with neo moto 2.3s on the rear? I've got some rub back there and I'm wondering whether I perhaps have a shock that has too much travel, as I bought the bike second hand. It's not bad and it's only on pretty hard hits, but I don't want to get caught out there!

  20. #20
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    This is my 650b'd '08 Rush Carbon.

    I'm running the Quasi 2.0 rear and Neo 2.3 up front.
    Stans Crest rims, SuperComp 1.7 spokes, Stans 3.30 rear hub and generic Lefty front hub.
    I bought from probikesupply.com and they were fantastic to deal with (very good service, made shipping easy--I am in Canada). Great price, too. Highly recommended if you want to go with a Stans "No Tubes" build.

    Yes, I had to remove the brace. Yes, the 650b mod was an improvement. No, it's not perfect.

    I do love the increased BB height as I am striking my pedals far less. I also love that the bike is noticeably better at rolling over obstacles. But, the higher centre of gravity does make the bike feel different... I find it less "flowy" through the twisty stuff, steering feels a bit slower, and I find that downhill sections I am a bit less confident/relaxed.

    Still, though, overall it was a good switch and my Crossmax SLRs will be up for sale soon.
    Attached Thumbnails Attached Thumbnails Post you RUSH 650B-photo-1.jpg  

    Post you RUSH 650B-photo-3.jpg  


  21. #21
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    Did you modify the shock with a travel reducer? I didn't think the monarchs did 1.75"

  22. #22
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    Quote Originally Posted by sandwich View Post
    Did you modify the shock with a travel reducer? I didn't think the monarchs did 1.75"
    Sharp eye, my friend.

    I was running this bike with a Fox RPL until last fall when it decided to spew oil all over the place. I quickly got in touch with Push and they built me a Monarch RT with the proper 7.5 x 1.75 configuration. I've been very happy with the shock, still haven't rebuilt the RPL (though I should try to get around to that...).

    I'm running 2x9 +bash as well. 24/36 rings with an 11-34 cassette. The build is all 2007 XTR and the hollowgrams are also the non-SL version from 2007. I swapped frames as I needed a size L (my '07 was a M).

    I mention the gear ratios because I forgot to mention the other change with 650b... the granny gear feels like less of a granny gear. :P I still get up all the same climbs, though...perhaps more as a result of the increased traction of the 650b setup.

    If any of you reading this know anything about the Fox RLC lefty... please see my other post a few threads down!

  23. #23
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    650b conversion

    I'm wanting to convert my rush 1 carbon to a 650b. Have you noticed any problems with removing rear brace/bracket so the 650b can fit? Any loss in stability or risk of damage to the frame?

  24. #24
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    Quote Originally Posted by cdale98 View Post
    I'm wanting to convert my rush 1 carbon to a 650b. Have you noticed any problems with removing rear brace/bracket so the 650b can fit? Any loss in stability or risk of damage to the frame?
    Sorry, uber late response...

    No. Lots of Rush owners have removed the brace and I've not heard of any troubles. I notice absolutely no difference with or without it.

  25. #25
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    Rush 97.5er?

    Hello,

    My first post here. I have an '06 Cdale Rush 800 (Al) size XL that I've upgraded quite a bit, and I've been seriously considering converting to 650b. The stock wheels need replacing anyway because they are worn out and keep coming out of true with my weight (210 lbs). I have a somewhat crazy idea, and that is to use a 29er up front, with reducer in Lefty of course, and use a 650b in the rear. Would this work and has anyone tried this? If so, are there any other changes required? I mostly ride cross country with nothing overly technical. Thanks

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