The OP hasn't replied back but the problem you all are attacking doesn't sound like what he posted. I'd be looking for FOD in and around the brake arms.
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Genesis 49:16-17
"Well, well!" said Holmes, impatiently. "A good cyclist does not need a high road. The moor is intersected with paths and the moon is at the full."
Last edited by Darth Lefty; 11-12-14 at 08:32 AM.