Algorithm for stem length / angle ?-
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  1. #1
    Fo' Bidniz in da haus
    Reputation: FoShizzle's Avatar
    Join Date
    Jan 2004

    Algorithm for stem length / angle ?

    I am trying to figure out what stem to buy for a new bike I am building up for which I have already purchased the hardtail frame. This bike will be used for XC riding and only very occassionaly racing for fun.

    Not sure what length and angle I should be considering for the stem. The hardtail is a 20" with a I think a 24" effective top-tube. For what it is worth, on my trailbike, a large (about 19.5" seat tube) with a 23.85" eff top tube, I run a Thomson 110 mm / 15 degree stem with a couple of spacers. Given any of the info, what stem length / angle might I consider for the hardtail I am building up? Since this hardtail will be a XC bike should then the stem be a tad longer with a lesser angle (versus my trailbike)? Please note I do plan to run a low riser bar. Any words of wisdom appreciated.

    Last edited by FoShizzle; 08-13-2004 at 10:06 PM. Reason: forgot info

  2. #2
    mtbr member
    Join Date
    Jan 2004
    Check out these spread sheets for comparing different stem and bar combos.

    I don't know who created these but I've used them in the past with good results.

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