Hi all,
I'm trying to fix up my neighbour's bike for him, and have got to the brakes. Some sort of Tektro cable actuated disc brakes. The front works fine, but the back one is awful, so I'm trying to work out what the issue is. t doesn't seem to grip - even spinning the wheel by hand and putting the brakes on doesn't stop it immediately, let alone rolling on the road with a fatty like me on it.
I've burned off all the crap from the pads and given both them and the rotor a good clean. no help.
I've swapped the front and back pads to see if they are the problem - they are not. Front still works well with rear pads and rear still shonky with the front ones.
I've tightened the cables to try and get more purchase, but no luck. So I am after suggestions.
Replace the cable? and the housing/ferrules?
Get into the guts of the calliper and do something? do what? hose it down with WD40?
Anything else? New brakes is an option, but if I can fix it I'd prefer that.
Ta
GTE