Rear Sprocket 39 Tooth Pitch 520 For Suzuki GN 250 1991 - 1988
JT Rear Sprocket 39 Tooth 520 Pitch JTR819.39. Pitch : 520. Sprocket material : Steel. 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.