Instants Power Cutoff Protecting : sensors technology that immediately cutting off power when braking, ensuring safe riding for electric bicycles users who need quick response and enhanced control . Durability Aluminum Alloys Construction : Made from stable aluminum alloys for reliability and longevity, ideal for frequent commuters or long distances riders compared to standard materials. Broad Compatibility : Specifically designed for middle drive motors with 3 pin connectors and 300mm power cables, ensuring smooth signals transmission across various bike models. Simple Installation : Fits 22mm diameter handlebars for quick and easy setup without additional tools, perfect for crafts enthusiasts looking to save time and effort. Light weight Design : Weighs only 300g per pair, adding minimal burden while maintaining optimal bike and handling for riders seeking a light weight .