Bike grips Ergonomic design increases the width of the palm, helping effectively reduce vibration and fatigue in riding and ensuring more comfortable feeling. It can prevent your hands from numbing, hurting and aching by giving your palms a full surface contact. You also can adjust the angle of the support platform by simply turning the grip. Features: The handlebars are made from High qulity rubber, And two-side inner ring is used aluminium alloy, very comfortable and durable. With two rings locked on, you do not need to worry loose or fall down. Ergonomic design Widening the grips' the bearing surface of the hand, Protect the wrist and blood vessel from the long-time holding. Release the pressure anytime. It is suitable for 23 mm-diameter handlebar, such as mountain bike, road bike, folding bike, even electromobile. To instal them, a socket wrench only you need. Very easy to instal them on. Specifications: Condition: Brand new Material: Rubber + Aluminium alloy Item Color: Black, Red, Blue Leight: 135mm Ppacking list: 2 x bike grips 2 x Handlebar end plugs