1.Length:84L 86L etc. 2.pin and bush with polishing treatment 3. ... inner tubes, pump, brake shoes, shock absorbers, brake lines, chain sets, cushion and so on. Sprockets, chains , inner tubes, ... can design, develop, produce and trade including motorcycle chain wheel, driving chain, shock absorber, brake shoe, lights, pump and ... better future. brown DID 25H bush roller chain, 25H motorcycle timing chain