Ynport MEIJUN AL-6061 Mountain Bicycle Bike Cycling Aluminum Alloy Handlebar Grips Stoppers Handle Grip Bar End Plugs Material: High Quality Billet Aluminum Durable alloy handlebar end cap with mounts on inside of bar Ideal replacement for cheap end plugs that ship with bar tape or open ended track grips It applies to the inner diameter of 15mm-20mm handlebars. Color:Black,Gold,Red and Blue. There is 4 pieces Rubber apron for spare.