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10speed cassett on 11 speed hub

Kerrjohn1983Kerrjohn1983 Posts: 27
edited January 2015 in Workshop
hello i recently bought a planet x TT bike running a 10 speed shimano ultegra groupset. however the carbon wheels i have have an 11 speed free hub on them, is there a way for me to uses these or is there a way i can work round it??


  • Yes.
    If they come with a spacer, use the spacer prior to the cassette, if they don't come with a spacer, then you have to buy a 1.8 mm spacer to convert 11 to 10.

    Note: typically 10 speed cassettes come with their own 1 mm spacer, which has to be used in addition to the 1.8. That unless the cassette is a 4600 Tiagra, which can be used with the 1.8 mm spacer directly.

    Complicated? Blame Shimano
  • thank you very much, greatly appriciated
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