• it's clamped to it by the bolt tension and driven by friction. Think of it as a clutch.

    Interesting!

    Was it ‘on here’ that there was discussion of whether cassette/freehub bodies worked similarly, meaning that steel spline protectors on ali freehub bodies were redundant? If not, what’s your opinion of that scenario?

  • what’s your opinion of that scenario?

    I went through that some time ago, and concluded that the clamping force and the smaller clutch plate diameter meant that you couldn't rely on friction to resist every foreseeable torque loading.

    Clearly the case, as we've all seen notched splines on freehub rotors 🙂

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