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Discuss light weight issues concerning road bikes & parts.
- Posts: 2292
- Joined: Tue Apr 12, 2011 8:08 am
- Location: Pedal Square
Can a DA BR-7900 rear caliper be mounted on the front, or will things blow to pieces? Any problem apart from needing a different length mounting bolt? Thanks.
(Brake shoes will have to be swapped for correct direction, obviously)
- Posts: 62
- Joined: Mon Aug 06, 2012 12:28 pm
It should work in theory, if you can find a longer bolt for the front fork. But make sure you can find one before taking anything to bits. I think the only thing making the front and rear caliper different is the length of the bolt. Best of luck!
- Posts: 1105
- Joined: Tue May 23, 2006 4:33 am
On three frames I tried this and the thickness of the front of the fork crown was sufficient that there wasn't enough thread exposed behind it to screw a mounting bolt onto it. Even when I milled a nut down to the right length so it would fit snugly, it simply didn't have enough threads to hold onto. You may have different results with a different fork, but this was the same problem on one steel fork and two carbon ones.
- Posts: 60
- Joined: Tue Mar 20, 2012 1:19 am
Check the shimano tech docs, but I'm pretty sure they would be identical apart from the long bolt and associated washers. And brake pad direction, switch them around!
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