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Shimano Ultegra Brake Arch install(5 posts)

Shimano Ultegra Brake Arch installTrey
Mar 8, 2001 3:43 PM
I am building up a Trek 5200 using Ultegra. This is the second bike I've built up but I have run into a problem that I can't figure out. I have everything completed with the exception of mounting the brake arches. Is there an adjustment to lengthen the mounting bolt on the arches or is there an extended nut available? I feel like a bonehead with this, it seems like it has to be something simple but I can't get the nut to touch the bolt on either the front or the rear brakes, even with all of the spacers removed. Help me out please.
re Ya jusr need a long ...Binder bolt...try LBS
Mar 8, 2001 4:14 PM
re: Shimano Ultegra Brake Arch installMacGuyver
Mar 9, 2001 4:27 AM
You will never get a standard nut on the bolt... They use a special "nut" that looks like a short pipe with threads on the inside. When you see it you'll understand right away.
re: Shimano Ultegra Brake Arch installNEIL
Mar 9, 2001 10:43 AM
Trey-Don't feel bad, everybody is a bonehead at some point or another. The long brake caliper bolt is what you need. The barrel nut as the other guys descibed it is about an inch long with threads inside and an allen bolt on the end allowing you to reach the bolt on the brakes through the fork and rear brake bridge. You might double check your brakes. Some brakes have slightly different lengths of mounting bolt, the brake with the longer bolt is intended to go on the front because the fork is usually wider than the rear brake bridge...then double check your brake pads are going in the correct direction. If you purchaced the frame bare, I believe Trek supplies a long brake bolt or two with the frame. If not, you can get one easily at a shop.

You had an easy problem...Good luck.

re: Shimano Ultegra Brake Arch installsteveq
Mar 15, 2001 6:49 AM
hey trey,,, i got an extra one. if you still need one, e-mail me with your address. it's small enough to throw in an envelope. i'll just drop it in the mail for you........steve q