Outtag 1pack/2pcs,3D Surface Non Slip, Ergonomic Design,4.7'' L,7/8'' Inner Dia Comfort Soft Rubber Bicycle Bike Cycling Handle Bar Handlebar Grips MTB Mountain Bike Material: High quality rubber,comfortable and no-slip Comfortable 3d surface bicycle grips for fixed-gear, single-speed, track bike, road bicycle and all kinds of bikes Easy to install, keep grips tight,no worry loose or fall down Dimension:approx.4.7 x 1.2''. Inner Diameter size is approx.0.87'' Package: 1 Pack/2pcs Outtag 3D Surface Handlebar Grips Make the Rubber Grips Wet/Put some cleanser essence on it. Then Install it to Bicycle Handle Bar.