NCY 2000rpm Compression / Contra Spring - GY6 125-200cc stop 75mm height | 5

75mm height | 5

Add some fire-power to the look of your Ruckus

Pulley 15x12mm Sliding Weights

ISO 9001 certified | Made in Taiwan

Tread Pattern: VRM-133 All-Terrain

NCY 2000rpm Compression / Contra Spring - GY6 125-200cc stop 75mm height | 5NCY 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