• Hello mechanic friends.
    If I place a regular thick plastic cassette spacer behind the cassette to tighten down a 10 speed cassette on a Mavic wheel am I asking for trouble? It tightened fine and everything is indexing correctly but will it eventually fail?

  • As long as:

    • The lockring is engaging enough threads on the freehub (at least 2 full turns)
    • The smallest sprocket is engaging with the end of the splines
    • The chain and lockring are n't touching the frame.

    You're probably ok.

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