Lever principle design: Use the lever principle to solve the problem of tire dismounting and mounting, tire clamping is firmer and labor is saved. Gain efficiency and save time. High Quality Material: The bicycle tire clamps are made from high quality engineering plastics, which have excellent heat and weather resistance, stable specifications, and is shockproof and has good fluency. No damage to rims and tires Non-slip handle design: Non-slip handle design, not easy to fall off, firmer. More time-saving and labor-saving than traditional tire pulling machine, speed is faster Portable Bicycle Tire Clamp: Size: 224.5cm/8.661.77inch. Suitable for tires with a diameter of 45mm. UNIVERSAL COMPATIBILITY: Suitable for city bikes, mountain bikes, electric bikes, road bikes. Ideal for home use, bike studios and cycling enthusiasts.