ITEM NAME:68T Rear Sprocket + 25H Roller Chain 68 Links + Engine T8F 6T Clutch Drum Gear Description: 25H 68 Links Chain + 68T Rear Sprocket + T8F 6T Front Sprocket Pinion High quality and very durable Good working.1 Piece 68T Rear Sprocket. 1 Piece 6T Pinion Gear Front Sprocket. 1 Piece Chain. High quality and very durable.