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  1. #1
    mtbr member
    Join Date
    Jun 2011

    help removing Critical Racing cantis

    I'm sure a picture would help but I'm experiencing technical difficulties- so here goes my best try at an explanation-
    When I disassembled these brakes and removed everything from the frame, I end up with the left side canti still attached to the brake boss on the front and the back. There's a brass bushing? that fits tightly over the brake boss that is attached to the canti arm itself. I can pull the assembly up maybe an 1/8" but it will not come off. I can spin it around the boss but it only spins. Do I need a gear puller to remove these brakes? FWIW, it even seems like the wall thickness of the left side brake boss is thicker than the right side.

  2. #2
    Stokeless Asshat
    Reputation: jeff's Avatar
    Join Date
    Jan 2004
    A bigger hammer. Really. The ends of the brake bosses have flared on you.
    Use a 9 or 10mm open end wrench. 9 fits perfect over the boss but a 10 will do. Slide it behind the brake and over the boss. Tap the wrench with a hammer. Bingo. Emery cloth to diminish the bulge on the boss.
    Zip ties? Not on my bike!

    650B rims 80's vintage 32 or 36
    Salsa or similar stem. 1" threadless. 120 with rise.

  3. #3
    mtbr member
    Join Date
    Jun 2011
    thanks jeff. that worked for the front boss, but the back is still stuck. I did remove the boss entirely from the frame and looks like a hacksaw will do the trick. I'll just get another brake boss...

  4. #4
    mtbr member
    Reputation: chefmiguel's Avatar
    Join Date
    Dec 2007
    Try warming up the bushing with a lighter

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