NOS Honda 38T Rear Sprocket suitable for use with Z50A K1 K2This sprocket is genuine Honda new old stock with the classic kidney bean holes, we have re plated the part with fresh zinc. The part is ready to be bolted on and used! This part does not come with any original packaging. This was an optional part sold by Honda for the US market as many of the bikes were used for trail riding! 420 drive chain required.