Shimano bottom bracket on Riot-
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  1. #1
    mtbr member
    Join Date
    May 2010

    Shimano bottom bracket on Riot

    Quick question for those running a Shimano bottom bracket and cranks on a Riot: are you using BB spacers- where? What kind of chainring are you running?
    Boost or 142 wheels?
    How is your chainline looking?

    Okay- a lot of questions.

    This is my first frame up build.
    I'm running boost wheel, shimano BB with 1 drive side spacer, a oneup oval 32. By eyeballing the chainline looks too far towards the high gears on the cassette (small cogs). Definitely does not look centered.

    Start by taking out that BB spacer?or trying one of the shimano boost chain rings that came with the build kit?

  2. #2
    mtbr member
    Join Date
    Oct 2015
    I bought some 1mm spacers and fine tuned the spacing so the chain ring was 3mm from the chainstay. I also put one of them on the cassette (same size) works good enough to not have any backpedaling issues.

    Since moved to a Sram crank and it's better with the direct mount and easier to find tune.

  3. #3
    mtbr member
    Join Date
    Aug 2007
    I am running xt m8000 non boost cranks with 1 spacer on the drive side. 142 x 12 rear. I get a much better chain line using a Oneup m8000 offset chainring. The chainring is oval and I donít know if they make a round version or if it matters to you.

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