Secondary Transmission Gear High Performance GY6 49cc 50cc 80cc 100cc Racing Final Drive Gear Set fit for 139QMB 139QMA 147QMD Engine Scooter Moped ATV Go Kart (16-42T)

Secondary Transmission Gear High Performance GY6 49cc 50cc 80cc 100cc Racing Final Drive Gear Set fit for 139QMB 139QMA 147QMD Engine Scooter Moped ATV Go Kart

• COMPATIBILITY:Fit for to all Chinese GY6 50cc to 100cc 139QMA, 139QMB,147QMD Based Engine
• HIGH QUALITY MATERIAL:Made of alloy steel material,it boasts excellent impact resistance and wear resistance, thereby extending its service life
• HIGH PERFORMANCE:‌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 set.The gear is lightweight by punching holes, so that the gear speed is better
• HIGH QUALITY:To transmit torque, the Transmission Gear effectively conveys torque through meshing with other gears, thereby enabling the transmission of power.2.625:1, the main reducer transmission ratio (usually 3.41-3.71) 50CC 16-42T is increased by 50%
• EASY INSTALLATION:Easy Quick Installation‌ plug-and-play design, allowing hassle-free setup without professional help