You've centred the rotor haven't you? If not, loosen the mounting bolts, pull and hold the brake lever, then tighten the bolts to get the rotor centred.
I've not touched anything yet. Waiting until the weekend so I have more time for it all to go tits up. But thanks for the tip. I think checking pads is first step.
You've centred the rotor haven't you? If not, loosen the mounting bolts, pull and hold the brake lever, then tighten the bolts to get the rotor centred.