By terrydean

4 Responses to “”

  1. Brennan O. Says:

    Allen bolts. Srsly.

  2. Brennan O. Says:

    Ps. Totally sweet.

  3. Arran Says:

    Are Allen screws stress graded? I’m guessing so but I can’t see much advantage over hex heads other then looks. What’s the sprocket from? Is it a generic sprocket?

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