NCY 2000rpm Compression / Contra Spring - GY6 125-200cc replace non-binding cable operation across the

non-binding cable operation across the entire rev range

Intake Port Diameter: 24mm

Head: Side-Bore

wear-resistant steel to withstand the sustained high-RPM heat and stress of modified performance builds

providing an ideal balance of low rolling resistance for fuel efficiency and specialized rubber compounds for reliable traction on wet or dry city pavement

NCY 2000rpm Compression / Contra Spring - GY6 125-200cc replace non-binding cable operation across theNCY 2000rpm Performance Compression Spring Take control of your CVTs shift logic with the NCY 2000rpm Compression Spring. This "contra spring" is the most aggressive tuning option for the GY6 engine platform, designed to keep your transmission in a lower gear ratio longer. By increasing the pressure on the driven pulley, this spring forces the engine into its peak power band, providing the explosive off the line acceleration and heavy duty hill