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+--- Thread: Brake discs (/showthread.php?tid=73418)
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Re: Brake discs - darrsi - 07-08-15
(06-08-15, 09:04 PM)sinto link Wrote: Good points darrsi and I'll be stripping the whole lot down over the winter months, although with the Sumner we're having in Scotland that won't be too far away
Anyways....
When I had the wheels off, I only quickly looked at the pistons, all were moving but admitted, I didn't push them all the way out. Whether they're all going out at the same level is hard to judge.
The reason I think the discs are warped is that when looking from front of the bike, with calipers removed there is movement when I spin the wheel, the discs don't run true. Now I'm no engineer, but I don't think that's right.
Yes, there's different wear on the pads, is that due to the pistons or that the discs aren't running true?
Pickle, I've sent you a pm
If you have warped discs, looking at them will mean nothing, unless they're shaped like a breakfast bowl.
The very first thing you notice will be when even a slight press of the front lever causes the bike to start juddering/pulsing up front, in a stop/go sensation.
Pull the brake lever much harder and the pads will grab the warped part and you will "STOP".......literally.
You still haven't described this at all, and it would be the FIRST thing you would complain about.
Re: Brake discs - Chris - 07-08-15
Ah yeah, sorry forgot the OEM discs didn't have holes all the way through the bobbins... maybe you could use a g clamp to tighten on either side of it rather than a bolt and nut gripping it... wouldn't be as good but might work...
Chris