Seller notes

Glixal High Performance GY6 49cc 50cc Chinese Scooter Racing Final Drive Gear Set 139QMB 1P39QMB Moped ATV Go Kart (17T/49T)Please Note: Does Require Pressing The Gears Off the Shaft2.88:1 Final Drive Gear Ratio (usually 3.41-3.71 stock)Average Top Speed Gain on Flat Ground is 7 to 10 mph (Depends on other Modifications on your Bike)These Are Great Addition for The 139QMB 4 Stroke 50cc Chinese Scooter and ATV Engines with Standard or Big Bore Kit.1.New Products with High Quality2.If your Engine ...

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