Just recently the front disc on my Magura Marta's started to drag on a regular basis, and I'm perplexed why this is happening and how to fix it.
First of all, I built the bike myself. And when I put together the front brake (Fox F80RLT fork), it went together perfectly -- no drag, no reason to have to shim the caliper.
The rear brake was another story - I had to shim it out to make the caliper align with the disc. But once I did that I had no trouble.
But now that I have a few hundred miles on the bike, the front rotor started to drag. It's either a slight drag or a serious drag, depending on how I insert the wheel.
The rotor is apprently rubbing on the outside pad. If I stare down the caliper and squeeze the brake lever and release it, I can see a gap on the inside pad (ok) but not the outside pad (bad).
I tried taking off the pads and reseating them. That did not work. And a shim won't help me out because the brake is already rubbing on the outside pad. Shimming out the caliper merely pushes it the wrong direction.
Anyway, if you have any idea why this is happening and how I can rectify it, I will be very grateful. Like I said, I put the first 200 miles on the bike with nary a problem on the front, but now it is acting up.
Other info: wheels are Velocity VCX w/WTB Laser Disc Lite hubs. The skewers are American Classic q/r's (steel rod).
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Thread: Magura Marta brake drag question
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