JT Rear Sprocket 39 Tooth 520 Pitch JTR5.39 For BMW G 310 R 0G01 19-20
BMW G 310 R 0G01 19-20. JT Rear Sprocket 39 Tooth 520 Pitch JTR5.39. Sprockets are an important component of a motorcycle's drive system, responsible for transmitting power from the engine to the rear wheel via the chain.