High Performance 6-Groove Adjustable Secondary Sliding Sheave for GY6 50cc-100cc 139QMB/DIO 50 Scooter Moped ATV

Upgrade your scooter's performance with this adjustable torque driver, designed for GY6 49cc-100cc scooters and karts with 139QMB, 139QMA, and 147QMD engines. This clutch features a 118mm outer diameter and allows for customization of your CVT transmission's acceleration. Whether you're looking for a quicker takeoff with the 3 straight grooves or a higher top speed with the 3 bent grooves, this component adapts to your needs. It includes a pulley needle bearing (HK172518RS) and has a 12mm ID bearing in the rear torque driver pulley for enhanced functionality.

Features:

- Adjustable torque driver for CVT transmission
- Clutch seat outer diameter: 118mm
- Pulley needle bearing: HK172518RS
- ID of bearing in rear torque driver pulley: 12mm (6901RS)
- 3 straight grooves for quicker takeoff
- 3 bent grooves for higher top speed
- Compatible with GY6 49cc-100cc scooters and karts with 139QMB, 139QMA, and 147QMD engines