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  • Silly question, but is it possible/sensible to build a mix-and-match 1x10 drivetrain for light-touring/gravel riding/winter training/commuting etc?

    I have a couple of 10 speed RDs in my parts bin (Rival and Ultegra) and I'm wondering whether I can just throw them on a bike with a single ring up front (probably Alfine?) without any issues? I've heard stories of dropping the chain on 1x setups and solving this by using narrow/wide chain rings, clutched derailers and chain catchers but since I've never done it myself I can't really imagine chain dropping to be a frequent problem?

  • I can't really imagine chain dropping to be a frequent problem?

    Depends how you ride. Try it with the Alfine crank and the Rival RD, and if you find you're constantly dropping the chain you can always upgrade to a narrow/wide and/or a Type 2 10-speed SRAM MTB RD later.

  • I've run a 1x10 setup on a multispeed chainring and long cage mtb derailleur with no clutch, the chain drops, but only when the ride is rough enough.
    So It depends on the riding and maybe a single speed chainring on the alfine would hold the chain better.

  • Alfine cranks have a chainguard don't they? Add a £4 Deda dog fang or similar to the down tube and I doubt you'll suffer any chain drops

    I have a 1x10 with a similar drivetrain to above, with an untouched road rear mech. No chain drops in 3 months of on and off road use

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