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  • Is there a bolt with a 15mm head I can use instead of the stupid alan key bolts for my female hub axle?

    What thread size? The answer is still probably no, since 15mm AF isn't a normal nut or bolt head size. What are you finding particularly stupid about Allen key screws? If it's the inability to apply enough torque without damaging either the socket or the driver, Torx is the answer. If it's a rear hub, chain tugs are the answer, I have no trouble with my M6 hub retaining screws, because the chain tugs handle the chain tension so I only need to apply 6-8Nm to the screws to hold the wheel in the bike.

  • The answer is still probably no, since 15mm AF isn't a normal nut or bolt head size.

    Hang on, aren't track nuts 15mm?

  • Hang on, aren't track nuts 15mm?

    Yes, but that's cycling weirdness. Normal M10 nuts are 17mm AF, normal M8 screws are 13mm AF. In order to use the peanut butter wrench for both track nuts and crank bolts, special cycling nuts and screws are made with odd sizes.

    You haven't answered the question; what's the thread size of the screws which you don't like?

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