Cheap And Discounts Output Gear / Final Drive Shaft Gear For GY6 49cc 50cc 139QMB Scooter 52T-15T High Performance Final Drive Gear New Wholesale. Buy Directly From Merchant Boutique Auto And Motorcycle Parts Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.