HIGH-QUALITY SOFT RUBBERr: The bike handlebar grips is made of TPR rubber, which is durable, non-slip, soft, and comfortable. The bicycle handle is ergonomic and can provide a firm grip even in rainy days, making you or your child feel soft and comfortable. INTERNAL DIMENSIONS: Bicycle grips length 4.7/120MM, suitable for more than 90% of kids bike handlebar grips with a diameter of 0.87 inches (22 mm), widely used in BMX, MTB, mountain bikes, beach cruisers, scooters, folding bikes, downhill vehicles, tricycles, commuters Bicycle etc. THESE ARE ACTUALLY GREAT:Used this for a replacement of a razor scooter handle, it came in a pack of four and ended using the others Tom replace those foam ones on another razor. Perfect fit and much more durable. 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. AFTER-SALES GUARANTEE: If you have any questions about bicycle handlebar grips, please . As a new type of seller, we will provide 100% satisfactory service.