what are the signs that you need new disc brake pads?
Worst case, metal to metal contact. Usually best to bin them well before that though, compare old ones with new and if the friction material is worn about 2/3 of the way through they're ready for replacement.
Worst case, metal to metal contact. Usually best to bin them well before that though, compare old ones with new and if the friction material is worn about 2/3 of the way through they're ready for replacement.