Description: This Listing is for 1 NEW Gy6 Final Drive Gear For a 139qmb 50cc Engine. This Engine is the most common 49cc 50cc Engines on Gy6 Scooters and Mopeds. Please See Pictures For Measurements Of The Final Drive Gear and measure your drive gear to make sure you are buy the right item. This final drive gear is MOST commonly found on GY6 139qmb Motor. These 49cc, 50cc, 60cc, 72cc, 82cc, motors are VERY common on A LOT of Scooters, Mopeds, Go Karts, ATV'S, Buggies, ECT. You Can Find This Final Drive Gear On Many Models Such As: Roketa, Sun-L, Baja, Kazuma, Carroll, Stream, Eagle, Taotao, Red Cat, Tank, Giovanni, Aimex, Jackel, Wildfire, Xtreme, Seaseng, Qlink, Yiben, Jonway, JMstar, Vento, TNG, VIP, Honda, Yamaha, Vespa, ECT. Package Include: 1 x 49cc 50cc Gy6 Final Drive Gear _Payment : We Only accept PayPal . Shipping and Handling: Free USPS Priority Mail Shipping We ship only in USA,ship to address provided by PAYPAL only. Items will be shipped out within 48 hours after payment cleared. VIa USPS Priority Mail NC Residents to pay Sales Tax 7.75% Return / Refund Return is accepted within 7 days after the buyer's receiving the item. If this item is defective upon receipt, customer has up to 7 days from date of receipt for exchange of a new one. Include your name, address, item, daytime telephone, how you paid, and if you are requesting a refund or exchange. After getting the returned item, we will refund the customer at the item's price ( excluding the shipping costs to and from). Powered by Turbo Lister The free listing tool. List your items fast and easy and manage your active items.