Check that the mech moves freely but with spring tension and is clean and oiled on moving parts.
Cables can fray inside the outer plastic tube and stick. New inner cables are part of a routine annual service. The cable outers can be left as long as they are free of sharp kinks. Make sure the ends have metal caps in place.
Parktools website is good for repair details.
Cables can fray inside the outer plastic tube and stick. New inner cables are part of a routine annual service. The cable outers can be left as long as they are free of sharp kinks. Make sure the ends have metal caps in place.
Parktools website is good for repair details.