Tool Frees Installation: Features split buckle design for easy hand installation / removal without tools; simply slides onto original brake levers without modifying bike structure or affecting rebounded Ergonomic Grip Enhancement: Unique finger loop extension follows ergonomic postures, allowing finger insertion for leverage during long rides / climb to reduce hand fatigue and improve control stability Light Weight 3D Printed Materials: Made from friendly materials with resistance; color add both utility and styles to your bike Standard Fit & Protections: Standard size fits most bike brake interfaces; doubles as a protective cover to accidental scratches or levers damage when parked Brake Extension: Specifically designed for short grip, internally routed or small frame, effectively extends brake levers travel for braking force and shorter stopping distance to enhances cycling, Manufacturer: Hsioluted