Feature: 1. Have ergonomic design, and these bicycle grips expand the contact area of the hand and can reduce wrist pain. 2. The surface has anti?slip particles and anti?vibration lines, which improves a very strong grip. 3. Using aluminum alloy lock ring, and can lock the handlebar firmly without worrying about moving. 4. These bicycle grips are sturdy, durable, not easy to wear, easy to install, simple to operate, and convenient to use. 5. Have wide range of uses, suitable for bicycles, mountain bikes, road bikes, mountain downhill bikes, folding bikes, etc. Specification: Item Type: Bicycle Grips Material: Rubber, Aluminum Alloy Product Size: Total Length: Approx. 135mm 5.3in Diameter: Approx. 33mm 1.3in Hole Inner Diameter: Approx. 22.2mm 0.9in (Standard Bicycle Installation Size). Package List: 2 x Bicycle Grips4 x Aluminum Alloy Lock Rings2 x PlugsHave ergonomic design, and these bicycle grips expand the contact area of the hand and can reduce wrist pain. The surface has anti?slip particles and anti?vibration lines, which improves a very strong grip. Using aluminum alloy lock ring, and can lock the handlebar firmly without worrying about moving. These bicycle grips are sturdy, durable, not easy to wear, easy to install, simple to operate, and convenient to use. Have wide range of uses, suitable for bicycles, mountain bikes, road bikes, mountain downhill bikes, folding bikes, etc.