Seller notes

Glixal High Performance Secondary Transmission Gear, GY6 49cc 50cc 80cc 100cc Racing Final Drive Gear Set for 139QMB 139QMA 147QMD Engine Scooter Moped ATV Go Kart (17T/49T) Please Note: Does Require Pressing The Gears Off the Shaft Fit to all Chinese GY6 50cc to 100cc 139QMA, 139QMB,147QMD Based Engine. 2.88:1 Final Drive Gear Ratio (usually 3.41-3.71 stock) Get the most out of your big bore kit, with increased top speed and a more usable rev range performance with the right transmission gear s...

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