1, Speed up fastly 2, Three different rates for your choice 3, Long service life 4, Big amount supply

Features: 1, Speed up fastly 2, Three different rates for your choice 3, Long service life 4, Big amount supply

 Modify clutch spring for 100cc scooter with 5WB engine (Yamha engine or clone engine)

100 cc 5WB Engine Scooter Modify Parts, 100 cc 5WB Engine Clutch Spring