Question about Shimano 2008 Dura-Ace BR7800 Rear Road Brake Caliper Silver BR0782 Super Light Weight ! 157g Each !
How to strip down clean and rebuild
That rod (bolt) thru the middle that holds ur brake together gets too tight. You can disassemble and clean it or just loosen the nut on the front and watch em snap back to open position
Posted on May 08, 2009
Tswinter1's got the most likely cause of the brake issue--the nuts are too tight to the brake arms. There should be two nuts on the end of the bolt--you'll need two wrenches to adjust them right. Tighten the inner one until you get the slop out of the brake arms, then back it off about a quarter turn. Then, holding it in place, tighten the outer nut against it, locking them together.
You might also try unhooking the springs from the brake arms and bending them upward and away from the brake arms a little to give 'em more pull. Don't go too far, though--they can snap.
Posted on Jul 07, 2009
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Posted on Jan 02, 2017
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