Fittment —- Clutch Gear Assembly replacement for most GY6 50cc QMB/139 4 Stroke Scooter Mopeds ATV. Made by professional manufacturer, strict factory QC test, trustworthy quality guarantee. 100% brand new aftermarket replacement Clutch Gear Assembly with premium quality. Consistent performance —- Provides consistent starting power with a high quality solenoid that properly engages the starter drive with the flywheel in your vehicle every time the ignition key is turned. High standards for components like wiring, brushes, insulation, bearings and coatings for consistent performance in all environmental conditions. High-quality material —- Starter Gear Clutch Assembly is made of premium quality metal material, which is weather resistant and can be used for a long time use, ensuring not easy to crack, scratch resistant, increasing product life. Perfect replacement —- Starter Gear Clutch Assembly is made by exquisite processing and strict accordance with standard requirements, whic