• Quick question as I've never had a 11speed wheel before.
    Got the new Arc31 from Superstar, there's a spacer provided with the wheelset to use it with a 10 speed cassette. In order to use it with my 6700 Ultegra cassette do I just use the spacer provided with the wheels? Cassette comes with another different spacer as well, so I'm a bit confused now tbh.

  • Put both on.

  • Use both spacers, the 1.85mm one which came with the wheel is for use with 9-speed cassettes and those 10-speed cassettes which don't need spacing to fit 9-speed rotors. If your cassette came with a 1mm spacer, it's there to make it up to the width of a 9-speed cassette.

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