• Ok, not sure where else to ask this question. I want to put a carbon fork on my surly midnight special. the fork has an integrated headset crown race with a 36 degree contact angle bearing.

    The bike currently has a Gusset headset which I don't really want to replace, but it seems impossible to find out that the angle contact is for my current headset, everything I've found seems to refer to the outside angle of the headset (45 degrees)

    Can I assume that all headset have a 36degree contact ? this is bikes after all where there are no standards.

  • Ha did one of these the other day. The supplied gusset lower cup reduces frame from 1.5 to 1.125", steel fork is also 1.125". So if putting a carbon taper fork in you'll need a different lower cup.

  • Yeah, thanks. I can't believe I forgot that the fork was 1.125" So I'm going to need a new lower headset cup whatever I do.

    In your experience is there a standard to the inside of the bearing angle with the crown race ? I'd be better off finding a fork which doesn't a have an integrated crown race wouldn't I.

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