UNIVERSAL: Fits for standard bike handlebar diameters within 22.2mm. Suitable for all kinds of bikes, mountain bike, MTB, BMX, scooters , folding bikes DOUBLE LOCK-ON: High strength aluminum alloy locked design to make your grips lock in place and tight, ensure you ride safer NON-SLIP: Surface texture on bike grips prevent your hands from slipping when wet or sweaty COMFORTABLE: Made of lightweight TPR rubber, great grip and durable. It's also easier to control of the bicycle and let you enjoy long distance cycling EASY TO INSTALL or REMOVE: Use an Allen key to fix the screws in a few seconds and you can use it ROCKBROS Bike Handlebar Grips for Mountain MTB BMX, High Strength Aluminum Alloy Double Lock-on Bar Ends and TPR Rubber on the Surface Prevent Your Hands from Slipping When Wet or Sweaty Attention: Bike handlebar grips fits for standard bike handlebar diameters within 22.2mm Product Details: Brand: ROCK BROS Material: TPR rubber + aluminum alloy Dimension: 5.43 * 1.14 inches ( 138 * 29 mm ) Weight: 0.29lb ( 135g ) Color: Black,Red,Green Feature: UNIVERSAL: Fits for standard bike handlebar diameters within 22mm. Suitable for all kinds of bikes, mountain bike, MTB, BMX, scooters, folding bikes DOUBLE LOCK-ON: High strength aluminum alloy locked design to make your grips lock in place and tight, ensure you ride safer NON-SLIP: Surface texture on bike grips prevent your hands from slipping when wet or sweaty COMFORTABLE: Made of lightweight TPR rubber, good grip and durable. It's also easier to control of the bicycle and let you enjoy long distance cycling EASY TO INSTALL or Remove: Fix the screw in a few seconds and you can use it