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  1. #1
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    Bontrager 4W computer for 29er?

    I have a 4W Bontrager computer I am trying to switch from a 26er to my new 29er. I pushed the reset button so I could enter my new wheel size. I see 26", 28", and 32" (probably another size too) but no 29". Also on the 26" size tire widths are offered. I looked at the instructions but no help. The computer is about 1.5 yrs old.
    2014 Niner RIP 9
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    Rock Shox Pike 140
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  2. #2
    Nouveau Retrogrouch SuperModerator
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    Bontrager 4W computer for 29er?

    Quote Originally Posted by stygz1 View Post
    I have a 4W Bontrager computer I am trying to switch from a 26er to my new 29er. I pushed the reset button so I could enter my new wheel size. I see 26", 28", and 32" (probably another size too) but no 29". Also on the 26" size tire widths are offered. I looked at the instructions but no help. The computer is about 1.5 yrs old.
    Do a manual calibration. Roll out for the tire circumference (been discussed here dozens of times). Check the Bonty web site for the instructions.
    mtbtires.com
    The trouble with common sense is it is no longer common

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