Description MATERIAL:Bike Grips are Made of high quality non-slip sponge for durability, with single aluminum alloy lock-on system STANDARD SIZE: The length of bicycle grips is 5.11inch , fits for the handle bar of more than 90% of bike with diameter of 0.87in(22.2mm), such as BMX, mountain, MTB, beach cruiser, scooter, folding, downhill, commuter bicycle etc. HIGH-DENSITY SPONGE: thick sponge, non-slip, sweat-absorbent and shock-resistant, mountain bike grips giving you a comfortable riding experience COLOFUL DESIGN: bike handlebar grips has a variety of colors, you can choose according to your own preferences ROBUST STRUCTURE:Durable aluminum alloy strengthening clamp lock, keeping the grips tight without any worries of loosing or falling down.