Refaxi&reg; 1 Pair MTB Bike Bycicle Cycling Lock-on Handle Grips Anti-Slip Handlebar Red End Caps Bike Bicycle Handle Grips, fast and accurately to remove and install Suitable for varied types of bikes, e.g. mountain bike, road bike, folding bike, etc. Fit for bicycles handlebar tube internal diameter approximately within 22mm Material: Metal + Plastic; Color: Red + Black Length: 135mm; Inner diameter: 22mm