This 6-groove adjustable sliding sheave is designed for GY6 50cc-100cc engines, compatible with 139QMB, 139QMA, and DIO 50 series scooters, as well as certain ATVs. Rigorously tested to ensure seamless integration with the drivetrain for improved power delivery.
The 6-groove adjustable structure allows customized gear ratios for smoother acceleration or higher top speed. The optimized sliding mechanism reduces belt wear and improves fuel efficiency.
Made from high-strength alloy with precision machining and surface treatment, it resists wear and high temperatures, ensuring consistent performance under heavy loads.
The refined sheave structure minimizes power loss, delivering more direct engine output and quicker acceleration. Ideal for riders seeking a more responsive riding experience.
Designed to match factory specifications, it replaces stock parts without modification. Includes step-by-step instructions for hassle-free DIY installation, saving time and labor costs.
وصف
Clutch Seat Outer Diameter: 118mm
Pulley Needle Bearing: HK172518RS; ID of Bearing in Rear Torque Driver Pulley: 12mm (6901RS)
Fits for GY6 49cc-100cc Scooters and Karts with 139QMB 139QMA 147QMD Based Engines
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Model Number : GY6 50cc
Groove : 6