High quality: Bicycle kickstand made of rust-free aluminum alloy. The bicycle kickstand clamp has a plastic insert that protects the polish well and ensures that the bikes stand firmly. Universal --- Compatible with 24, 26, 27.5, 28, 29 inch bicycle tires, oval chainstay, rectangular frame. Not suitable for round frames. Easy to install --- The bicycle side stand can be mounted easily and quickly, which includes 3 screws. Unscrew the bicycle mounting bracket and screws to install and reassemble, easy to use. The wheels remain stationary with the extended bicycle kickstand. Good design --- Simple and functional design. The bicycle kickstand is waterproof and durable for long-term use. Safe and stable --- Bicycle kickstand avoids dangerous accidents with a robust locking mechanism. The bicycle side stand is designed so that it cannot fold up while riding. Rubber feet on the bottom of the stand provide stable support.