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11-15-04, 07:45 PM
Exploded view of Ultegra brake (174 kb .pdf) (http://bike.shimano.com/product_images/BR/ev_images/BR_6500_EV.pdf)
This is probably going to be tough with just text, but here goes.
After applying my front brake, the calipers don't open as well as they should. They open, but not strongly enough to pop the brake lever all the way back out. I recently replaced cables and cable housing, so I know those are in good shape. I think that things are a little tight between the half-bridge and the left caliper arm (arghh. none of the parts I want to refer to are named in the exploded view). Anyhow, theres a nut on the center bolt that goes between the fork and the half-bridge that looks like I could loosen it and maintain some space for the left caliper arm. It doesn't seem to work. When I tighten the brake assembly to the fork, the return mechanism gets sluggish.
Any ideas?
P.S. I don't think it's strictly a wear or usage thing, the problem didn't begin until after I took the calipers apart to make some other adjustments. :o
This is probably going to be tough with just text, but here goes.
After applying my front brake, the calipers don't open as well as they should. They open, but not strongly enough to pop the brake lever all the way back out. I recently replaced cables and cable housing, so I know those are in good shape. I think that things are a little tight between the half-bridge and the left caliper arm (arghh. none of the parts I want to refer to are named in the exploded view). Anyhow, theres a nut on the center bolt that goes between the fork and the half-bridge that looks like I could loosen it and maintain some space for the left caliper arm. It doesn't seem to work. When I tighten the brake assembly to the fork, the return mechanism gets sluggish.
Any ideas?
P.S. I don't think it's strictly a wear or usage thing, the problem didn't begin until after I took the calipers apart to make some other adjustments. :o