Cycling Equipment · Public discussion

10 speed road and 9 speed mountain DR

Started by rparedes · · Last activity · 2 posts · 1,069 views

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Cycling Equipment
Published
16 July 2008
Last activity
16 July 2008
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rparedes
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  1. Is it OK to use 10 speed shifter (105 and Ultegra) with a 9 speed Shimano MTB rear derailleur and 9 speed MTB cassette and 10 speed chain-ring up front?
    How about the chain; will a 10 speed chain work or do I need a 9 speed chain
    thanks!
    Going on a Blue Ridge Parkway road trip and trying to decide how to set up my gearing. I have a bike with triple (105) and another with compact double (Ultegra). I'm thinking about setting up the triple (105, 10 speed) with a MTB 9 speed RD with 9 speed 33 tooth cog as a low gear. Will it also work with a compact set-up?

  2. rparedes said:

    Is it OK to use 10 speed shifter (105 and Ultegra) with a 9 speed Shimano MTB rear derailleur and 9 speed MTB cassette and 10 speed chain-ring up front?
    How about the chain; will a 10 speed chain work or do I need a 9 speed chain
    thanks!
    Going on a Blue Ridge Parkway road trip and trying to decide how to set up my gearing. I have a bike with triple (105) and another with compact double (Ultegra). I'm thinking about setting up the triple (105, 10 speed) with a MTB 9 speed RD with 9 speed 33 tooth cog as a low gear. Will it also work with a compact set-up?

    10s shifters using any shimano RD will still shift 10s cog spacing, not 9s. The spacing is determined by the shifter, not the RD.Put a MTB shimano RD with 10s shifters, shift 10s spacing, not 9s.

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