Install Note:it is better to Dip a few drops of soapy water or detergent on the handlebar before install the grips cover | Cuttable:The Foam Handlebar Grip can be cut to length individually for suit the bicycle | Wide Compatibility:The Foam handlebar grips are suitable for most of bikes,including butterfly/trekking comfort trekking type | Size: Outer diameter:33mm/1.3inch\\Inner diameter:21mm/0.83inch\\Length:500mm/19.68\\Thickness:6mm/0.27;allowed 0.1-1mm error | Package Content: 1 pair (2 pieces)Bicycle handlebar grip