Sturdy bicycle frame: The adult bicycle frame is made of high-quality aluminum alloy, making it durable and resistant to damage. You don't have to worry about it wearing out or breaking quickly. Adjustable length: The height of the bicycle kickstand is adjustable between 35 and 41 cm. You can adjust the height of the bicycle kickstand by loosening a wrench or tightening the screw on the center bracket. Easy to assemble: The bicycle frame is easy to assemble and also easy to put together. Highly compatible: Bicycle straps are generally suitable for bicycles with wheel diameters of 24-29 inches, such as mountain bikes, city bikes, racing bikes, and connected bikes. Not suitable for children's bikes. Anti-slip design on the bottom: The anti-slip rubber pads on the bottom of the bicycle frame are thickened and wear-resistant, which can prevent the bicycle from slipping on wet and muddy roads, greatly reducing the risk of falling on slippery roads and is suitable for maintaining balance on uneven terrain.