Mounting Dia Compe front brake bracket?
08-01-08, 08:16 PM
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Mounting Dia Compe front brake bracket?
I bought a Dia Compe BRS-101 front brake bracket, for my undrilled keirin frame. Unfortunately, its instructions are all in Japanese. So I have a few questions:
To mount the bracket on the fork, I had to remove the bands from the bracket and then take off the front wheel to slide them up the fork blades. Is this the only way? I kind of expected it to be a bolt-on and -off endeavor.
What's the point of that little bolt with a spring? A stabilizing bolt? Given the rotation of the wheel, it doesn't seem neccessary.
To mount the bracket on the fork, I had to remove the bands from the bracket and then take off the front wheel to slide them up the fork blades. Is this the only way? I kind of expected it to be a bolt-on and -off endeavor.
What's the point of that little bolt with a spring? A stabilizing bolt? Given the rotation of the wheel, it doesn't seem neccessary.
08-02-08, 12:44 AM
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as you found, you have to de-connect things to slide the brackets on the fork legs.
it isn't quite as quick as a rear plate. but shouldnt take more than a couple minutes.
the little stabilizing bolt with the screw goes through the arch and out the other side to butt up against the crown of the fork. there should be a rounded cap for the end of it. I still put a piece of tape or something to pad it a bit. the spring goes on the outside/brakeside of the arch and you should be able to tighten it down with a narrow phillips head screwdriver.
all that said (which you I guess knew) I have no idea why that bolt is there save backwards circles.
it isn't quite as quick as a rear plate. but shouldnt take more than a couple minutes.
the little stabilizing bolt with the screw goes through the arch and out the other side to butt up against the crown of the fork. there should be a rounded cap for the end of it. I still put a piece of tape or something to pad it a bit. the spring goes on the outside/brakeside of the arch and you should be able to tighten it down with a narrow phillips head screwdriver.
all that said (which you I guess knew) I have no idea why that bolt is there save backwards circles.
Last edited by nateintokyo; 08-02-08 at 07:49 AM.
08-02-08, 10:05 PM
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Now that I think about it, I can see the point of the stabilizing bolt. If you braked hard, the bracket might flex forward, and if you then released the brake, it could rebound back and maybe hit the headset. Maybe. I dunno, but that's the only reason I can come up with.
