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  1. #1
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    27.5 v/s 29er for hardtail trailbike

    I'm only 5'6" and have been riding small XC 29er bikes. It's a fast riding bike but I watch my line and stay on point because of the unforgiving geometry. I was thinking of building up something aggressive with a 120 or maybe a 140mm fork and wide rims. It will be geared since I have a 29er SS.

  2. #2
    Wrench
    Reputation: FNFAL's Avatar
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    For the sake of something different, try the 650b. 2.3" tires and a 120mm fork. Maybe a steel frame.

    Look at the Jamis Dragon. Fantastic frames.

  3. #3
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    29 front/650 rear?

    Seriously--then you get the stronger, stiffer, lower-gear-ratio wheel out back, along with better cornering traction and rollover up front where you want it. (And you increase the odds of fitting a high-volume rear tire with a front derailleur, which is good for the fast, rocky trails of the San Gabes front country.)

  4. #4
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    I like steel, I was thinking of the Kona Exsplosif. It's has a pretty good build,I'd only change the fork and wheels. The Dragon ups the Kona with the 853 steel. Does Jamis have 142x12 rear axle?

  5. #5
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    I've got an Explosif. Great riding bike, great geometry--with one exception. The 2013 model bb is super low @ 11.75" with the stock 120mm fork. Most of the time it's not an issue, but climbing on, say, Sam Merrill--or virtually any San Gabes canyon trail, for that matter--sets you up for pedal strikes. Pedaling in the rocks is not the frames strong suit unless you run a longer fork to compensate for the bb height.
    Last edited by albeant; 11-03-2013 at 08:15 AM. Reason: added bb height info

  6. #6
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    I could build it with a 140mm fork that would raise the BB. I think I'd go for that before putting a 29 wheel in front.

  7. #7
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    Yeah, I think 140mm would be about right for the Explosif.

  8. #8
    help with the zip please
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    Yeah I know steel is real and all but for a hardtail that meets what you are talking about I really think you are hard pressed to go past an ON-One 456. Happily takes a 140mm fork, forgiving geo, strong as an ox and at that price in the link, really what have you got to lose? Yes, it will take 650b

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