EvolutionBike F3/B3 Y12-Y15 Quick Shifter

Ultra-durable Quickshifter sensor, designed to perform, produced from special stainless steel alloys. Environmentally endurance passed. The #1 OEM choice for reliability and performance. It works in upshift only. Not compatible with bikes which fit 2.0 OEM quickshifter. Ideal to get the possibility to change without clutch. Completely plug and play.