Join Date: Apr 2007
Location: Munising, Michigan, USA
Bikes: Gary Fisher Hodgepodge 26er Rigid
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BMX brakes -- looking for help
Am working on a friend's BMX brake. I believe it to be what is termed a U-brake. There is a small, maybe six-inch loop of cable that goes through a shoe of some sort that is pulled by a longer cable from the lever.
When I disconnect all cables from the caliper, one arm pulls away from the rim and the other arm towards the rim. I cannot fathom how that can be correct behavior. Basically, one arm's natural position seems to be in the very same direction that the cable must pull it in order for the bike to stop.
So am looking for a clue, so that I can get the kid's bike back together.