• I'd be prepared to take the chance that a Zephyr would be fine with 11-speed, if I wanted silver as a priority.

  • Cheers, will probably just give it a go.
    Is there a big difference in the internal width of 10 and 11 speed chains that might make a difference?

    Turns out I actually have both a 9/10 speed Zephyr and a 9/10/11 speed Zephyr in the parts box ( both bought as 10 speed) and it does look like the 9/10/11 is slightly narrower, which makes me think twice....

    But if enough experts on the internet tell me it'll be okay then I'll quit my worrying ways and throw a fraction of a millimetre to the wind!

  • it does look like the 9/10/11 is slightly narrower

    Don't just look, measure. 9/10/11-speed chain is all 11/128" roller width.

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