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ultegra front brake's - hexagonal threaded atachment bolt(6 posts)

ultegra front brake's - hexagonal threaded atachment boltroadcycle
Jun 24, 2002 11:00 AM
Good Day,

I observed that the allen (hexagonal) threaded bolt that holds the front brake to the bike's fork has a radial cut in it through it's exteriour face that can be seen from the back side of the fork.
I would like to know if it is originaly meant to be like this ?
Or could it be that it's a defected part?
Will much aprreciate replies from other ultegra owners.

Thanks
roadcycle
re: ultegra front brake's - hexagonal threaded atachment boltgrzy
Jun 24, 2002 11:24 AM
Are you talking about the threaded (male) stud coming out of the brake caliper or the nut (female) that is inserted through the backside of the fork - or something else all together. I have a little trouble seeing what you're talking about. Many forks require an "after market" threaded (female) nut to attach the front brake. Will take a looksie at a couple during lunch time (now).
re: ultegra front brake's - hexagonal threaded atachment boltroadcycle
Jun 24, 2002 11:39 AM
Thanks grzy,
I am talking about the nut that is inserted through the backside of the fork.
The fork is Icon Air Rail - Od.
Thanks again,
roadcycle
re: ultegra front brake's - hexagonal threaded atachment boltcurlybike
Jun 24, 2002 4:23 PM
I have never seen one grooved like that, look at it closely and see if it looks machined. Could it be a screwdriver slot, or is it cracked. If it breaks you might not be able to brake with the front.If the head breaks off the nut, the caliper could fall off and lock the front wheel, possibly causing you to flip headfirst. I hve known of that to happen and it was real ugly and bloody. Check real close or go to the LBS. It is up to you, your results may vary.
re: ultegra front brake's - hexagonal threaded atachment boltroadcycle
Jun 26, 2002 11:25 AM
Hello Curlybike,

Following your advice I checked the attachment nut more closely and I observed that it was cracked. This is how it came originally with the bike and I didn't pay much attention to it untill recently, thinking it was only an exteriour scratch.
The next day I went to the dealer who replaced it with another one.

Thanks for your good advice.
re: ultegra front brake's - hexagonal threaded atachment boltcurlybike
Jun 26, 2002 11:44 AM
It is easy enuff getting hurt without that brake falling off and dumping you. Glad you got it fixed.