HIGH-QUALITY: The bike handlebar grips is made of SCLI+EVA+Aluminum alloy, which is , non-slip, soft, and comfortable. The bicycle handle is ergonomic and can provide a firm grip even in , making you or your child feel soft and comfortable. INTERNAL DIMENSIONS: Bicycle grips length, suitable for more than 90% of kids bike handlebar grips with a diameter of 0.87 inches (22.2 mm), widely used in mountain bikes, beach cruisers, scooters, folding bikes, downhill vehicles, tricycles, commuters Bicycle etc. LOCK ON- The Bike grips use a double locking grip ring clamp design. The ring clamps are secured using a 3mm Hex key, tightening onto your handlebar. This means that even over challenging terrain the grips will stay secure giving the better control. SHOCK ABSORPTION - When riding for long periods of time, your hands and forearms can become fatigued. A good pair of grips can help with shock absorption as you ride the trails. Pair that with a superior SCLI+EVA material and you have better gripping and handlebar control. NSTALLATION TIPS: Please brush a little soapy water, detergent water or car wax on the bike handle grips as a lubricant. Then you can install it easily and quickly. Material: SCLI+EVA+aluminum alloy colour: F-Black+Black Package Contents: 2 x Bike Handle Grips 2 x Handlebar cover plug Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.