Premium 4-Stroke QMB139 Scooter GY6 50cc Driven Bridge Gear

High-Precision Double Gyro Gear Counter Shaft
– Engineered for smooth power transfer and reduced vibration, ensuring longer engine life. CNC-machined alloy steel construction for durability under high stress.
Optimized Reduction Gear System
– Delivers superior torque and acceleration for 50cc engines. Heat-treated gears resist wear, ideal for urban commuting or off-road scooters.
Direct Fit for GY6 50cc Engines
– Seamless compatibility with standard GY6 models. No modifications needed—plug-and-play installation saves time.
Industrial-Grade Materials
– Forged steel core with anti-corrosion coating withstands extreme weather and heavy daily use.
Bulk Pricing Advantage
– Wholesale rates available for distributors and repair shops. Global shipping with guaranteed lowest prices. Upgrade your scooter’s performance with OEM-quality precision gears—built to last.