They took it in, and thought it would only take them 10 minutes, but it was apparently a bit of a censored, as it ended up takin gmore like 40 minutes. I booked it in, and took it to Evans in Reading on Saturday morning, really helpful and enthusiastic bike people in there, an impressive start - one of the chaps raced, and was more than happy ot talk bikes. I popped them out again, and they were proud again, and the gap down to 1.6mm - I tried the process again, with the same results, so unfortuantely it looks like a trip to Evans to see if they can sort and or replace :-(Īnd if I do have to go this route, would you fess up and say what you have tried, or play dumb and just say the brake is rubbing and ytou can't ride it?įirst two pics - either piston, proud from the surrounding housing - this is as they were when I first took them out:Īnd this is one piston only (The other picture blurred) showing you it flush after I had pushed it in - compare with the pic immediately above for a comparison: So I think this would suggest that pistons are not retracting properly? The holding the brake thing hard on did definitely not work for these set of brakes by the way, it did for the rear nut, but I saw the unit move towards the wheel when I tightened the front nut up, even with my hand HARD on the brake - so I got around this by tightening up the rear, taking my hand off the brake, and then bracing the brake unit whilst I tightened it - this is what gave me the back to the out of the box situation. However on refitting, although it was better, it still was rubbing like a censored - I basically got it back to how it was when it came from the shop, perhaps 10% better, but a rub for 50% of the rotation. I measured the gap between the pads - all be it slightly approximately with callipers, and it seemed to be 1.6mm - I removed the pads, and pushed the pistons (is that the right term?) back into the housing with a tyre lever, and popped the pads back in, this then increased the gap to 2.6mm. I found a pdf of how to remove the pads to get to the pistons.
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