TOPCABIN Bicycle Handlebar Grip,Ergonomic Design Bicycle Handlebar Grips Widen Holding Surface Rubber Bicycle Grips with Aluminum Lock Bike Grips handlebar cover for Bicycle Mountain Road MTB Material: High quality rubber,Aluminum lock ring,comfortable and no-slip The aluminium inner ring keep grips tight,no worry loose or fall down Minimize fatigue in your hands, wrists, and elbows on long rides Size(approx.): L133 X 48 MMinner diameter(approx.) : 22 MM Will fit any standard straight bicycle or stunt scooter handle bar