What you can obtain: you will get 4 pairs of bicycle handlebar plugs and 1 piece installation tool, the plugs are in different colors, including red, black, blue and gold, enough quantity for you to use and share with friends Size: the outer diameter is 24 mm/ 0.94 inches, the inner diameter is 16 mm/ 0.63 inches, the size is suitable for handlebars with an inner diameter of 17 mm or more than 17mm, works well with most bicycle handlebars Quality material: the bicycle handlebar plug is made of quality rubber and aluminum, light, sturdy and durable, easy for you to set the cap of your bicycle and give you a wonderful riding experience Wide applicability: suitable for most of the bikes such as folding bicycles, road bikes, mountain bikes, or any other adult bikes, help to protect the rod and handle and protect your wrist while wresting Easy to use: you just need to insert and tighten the screw with an installation tool, then the plug can be maintained in place, it is also a beautiful decoration for your bike and bringing more riding fun Features: Wide applicability: Suitable for most of the bikes such as folding bicycles, road bikes, mountain bikes, or any other adult bikes, help to protect the rod and handle and protect your wrist while wresting. Easy to use: You just need to insert and tighten the screw with an installation tool, then the plug can be maintained in place, it is also a beautiful decoration for your bike and bringing more riding fun. Specifications: Color: red, blue, green and gold The outer diameter: 24 mm/ 0.94 inches Inside diameter: approx. 16 mm/ 0.63 inches Quantity: 9 pieces totally Package includes: 4 Pairs bar end plugs (8 pieces) 1 x Wrench Note: Manual measurement, please allow slight errors on size. The colors may exist slight difference due to different screens.