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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
Black nylon sheath protects paint and finish from scratches
Type: Tubeless (TL) — tube-compatible for split rims
Sliding shape allows the variator to travel further than standard rollers — higher top speed
Head: Side-Bore
NCY 2000rpm Compression / Contra Spring - GY6 125-200cc replace Black nylon sheath protects paintNCY 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