[Features] - MATERIAL:Bike Grips are Made of high-strength rubber for durability, with two 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 Rubber: 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. [Product parameters] Product Name: non-slip grip Color classification: black, red, blue, white,yellow Material: high-strength rubber Type: bilateral lock Size: about 13cm Hole inner diameter: about 2.22cm (bicycle standard specification inner diameter size)