Quote:
Originally Posted by Captainfab
What do you mean by "pad knockback"?
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This is when the rotor deflects slightly, pushing the pad and piston in with it -- the result is less braking power until the brakes are actuated again. This site does a good job explaining but seems to be missing illustrations:
http://www.stoptech.com/technical-su.../pad-knockback
On full-floating rears this isn't an issue, but with our 12 bolts there's some axle endplay that causes pad knockback. Floating calipers get around this with the ability to move with the hub. Fixed calipers like these do not. An alternative solution although not 100% effective is to use c-clip eliminators which hold the axle in place to a much greater degree.
So I guess the answer is that these calipers are ok if you are running c-clip eliminators.