Installation Note:it is better to Dip a few drops of soapy water or detergent on the handlebar before installing the grips cover Wide Compatibility:The handlebar grips fit for most of bikes,including butterfly/trekking comfort trekking type Cuttable:The Foam Handlebar Grip can be cut to length individually for suit the bicycle Dimensions: Outer diameter:33mm//Inner diameter:21mm//Length:500mm//Thickness:6mm;allowed 0.1-1mm error Package Content: 1 pair (2 pieces)Bicycle handlebar grip Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you