Double Lock-On System-Double clamp design is easy to install and stays in place without twisting. The aluminum alloy ring keeps grips tight and secure. Durable caps are integrated into the clamp and keep from falling out Shock Proof and Durable-Sponge foam material is soft enough to isolate your hands from shock and vibration. relieve your fatigue and hands pressure for long rides Ergonomic groove grip design -It can support from the index finger to the thumb, offering the best grip for natural state of riding Universal Widely Used-Fit any standard straight handlebar bicycle or stunt scooter handle bar. Suitable for BMX, cruiser, dirt jumper, electric, folding, hybrid/comfort, mountain, downhill bikes, folding bike, tricycle, wheel Chair, Racing bike 100% Satisfaction Guarantee-If you are not completely satisfied with our product just contact us, we will try our best to give you a satisfactory solution