sweet, thanks muel; thought you'd be the one to ask on this one if i had no replies .... ill do that tonight. Ive never had a disc brake on any of my bikes before so im totallly new to this....i think its dropped a bleed as well; when the lever's fully depressed only one piston moves, and thats only by about 1mm or so....but both pistons are sticking out by at least 2mm, so does that mean they're not returning, or i have to rebleed it as well?