Racing Half pulley incl. star washer for CPI , Keeway , Generic – 16 mm Shaft

Description

High-performance torque driver (rear pulley) for CPI, Keeway, Generic, and other scooters equipped with 1E40QMB / Minarelli horizontal (Chinese copy) engines with a 16 mm rear shaft.

This race-style pulley improves the responsiveness of your CVT system by providing smoother shifting curves, stronger take-off, and better belt grip under load. Ideal for tuned or upgraded scooters that require more efficient power transmission.

Compatible with:
– CPI Oliver / Hussar
– Keeway Matrix / F-Act / Hurricane
– Generic XOR / Ideo / Trigger
– Motowell, Explorer, Baotian, and other 1E40QMB-based scooters
– For 16 mm rear shaft only (verify before ordering)

Specifications:
– Pulley type: Rear torque driver
– Shaft size: 16 mm
– Designed for variator tuning and CVT upgrades
– High-quality steel construction with precision-machined guides

Key features:
– Optimized shifting curve for better acceleration
– Ideal for sport setups and racing use
– Direct replacement for original rear pulley
– Compatible with most standard and performance belts