Bridgestone mb2 rear brake misalignment
10-01-19, 09:27 PM
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Bridgestone mb2 rear brake misalignment
I'm installing deore v brakes on a 1988 Bridgestone mb2. The front brakes installed fine. On the rear, the pin on the v brakes that is inserted into the frame to set spring tension does not align with the hole in the frame. It's misaligned by a mm or two. This is my first v brake setup, could be missing something obvious. I definitely have rear brakes. Also tried installing a front brake in the rear, with the same misalignment. Not sure if this is an issue with standards that have changed over the years? Strange that the front pins insert perfectly.
10-02-19, 10:04 AM
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Also, a lot of mountain bikes in the 80s had strange rear brakes (1988 saw a lot of u-brakes installed underneath the chain stays). If you're trying to install v-brakes on the old u-brake posts, it won't work.
...6th post...Four to go...Before then, you see no photo.
...6th post...Four to go...Before then, you see no photo.
10-02-19, 10:27 AM
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Also, a lot of mountain bikes in the 80s had strange rear brakes (1988 saw a lot of u-brakes installed underneath the chain stays). If you're trying to install v-brakes on the old u-brake posts, it won't work.
...6th post...Four to go...Before then, you see no photo.
...6th post...Four to go...Before then, you see no photo.
However, the 1988 Bridgestone catalog shows the bike with cantis on the rear.
(a google search of 'Sheldon Brown 1988 Bridgesone catalogue' will turn up images & parts lists)
10-03-19, 06:55 PM
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I can't submit photos or URL's to this forum since I'm a new user.
The misalignment is only a mm or two
I have successfully installed an old pair of cantilever brakes on the posts, so the tolerance on the new linear pull brakes is tighter.
Will try rummaging in a used parts bin at my LBS for another linear pull option.
I'd rather not use cantilever brakes over the wet winter here.
The misalignment is only a mm or two
I have successfully installed an old pair of cantilever brakes on the posts, so the tolerance on the new linear pull brakes is tighter.
Will try rummaging in a used parts bin at my LBS for another linear pull option.
I'd rather not use cantilever brakes over the wet winter here.
10-04-19, 10:09 AM
#7
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Use cantilever brakes on a Bridgestone
I can't submit photos or URL's to this forum since I'm a new user.
The misalignment is only a mm or two
I have successfully installed an old pair of cantilever brakes on the posts, so the tolerance on the new linear pull brakes is tighter.
Will try rummaging in a used parts bin at my LBS for another linear pull option.
I'd rather not use cantilever brakes over the wet winter here.
The misalignment is only a mm or two
I have successfully installed an old pair of cantilever brakes on the posts, so the tolerance on the new linear pull brakes is tighter.
Will try rummaging in a used parts bin at my LBS for another linear pull option.
I'd rather not use cantilever brakes over the wet winter here.
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10-04-19, 12:25 PM
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Bikes: Lots of English 3-speeds, a couple of old road bikes, 3 mountain bikes, 1 hybrid, and a couple of mash-ups
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In which direction is the hole off (up, down, left, right)? Sounds like a seat stay may be bent.
