Onedayshop&reg; Bike Hand Grips, MTB Grips Handlebar Lockable Mountain Bike Handlebar Bicycle Cycling TPR Rubber Handlebar Grip for Cycling, Mountain and Bicycles Accessories 1 Pair MATERIALHigh quality TPR rubber,non-slip,soft and comfortable. DOUBLE SIDES LOCKING DESIGNDouble side aluminum alloy lock-on can make the grips tighten,no worry loose or fall down. Two screws fixed, very easy to install. HONEYCOMB SURFACEDesigned with honeycomb shape surface, which can get a better anti-slipping when you are sweating or in the rain ANTI-SLIPPING DESIGNIt can prevent your hands from numbing, hurting and aching by giving your palms a full surface contact. You also can adjust the angle of the support platform by simply turning the grip. SIZE128*23mm (5.04*0.91inch), inner diameters:23mm (0.91inch),outside diameters:33mm (1.30inch)