Comfortable Ergonomic Design: This rubber handle grip is designed with a bionic gecko palm pattern, it is non-slip, even if the palm sweats, safe and stable. The widened palm area has shock absorption and super grip, helping to relieve fatigue, discomfort, or numbness from long or rough rides. Adjustable Aluminum Alloy Handle: The Aluminum alloy handle can help to adjust the body posture, relieve fatigue and provide better protection for the brake when falling down. It can be adapted to different riding habits, so you can freely adjust the best angles for your preference according to your own habits. High quality & Durable Materials: The handlebar grips are made of high-strength PP lining and TPR rubber, which are durable and shock-absorbing. Aluminum alloy handlebar end grip can keep the grips tight without any worries of losing or falling down, suitable for long time use. Super Simple Installation: Our bicycle handlebar grips can be quickly removed and installed. Firstly, put on the bicycle rubber handle grips, and then use the included wrench to tighten the screws of the aluminum alloy handle. Finally, tighten the dust cover to complete the installation.