XIANQI Easy to Install: You don't need special tools or an expert to install this. Anyone can do it themselves in just 5 minutes. The bike cushion adopts one-piece design, the overall shape is smooth, neat and beautiful. Professional Load-bearing: It is made of special alloy materials, which has good elasticity, effectively reduces bumps, plays a buffering effect, and makes riding more comfortable. After a professional load-bearing test, it can withstand a weight of about 120kg. Adjustable Height: The bike suspension saddle can be adjusted to a suitable position to ensure a suitable height and make riding more comfortable. Accurate Scale: There is a clear scale on the spring steel of the bike cushion, which can accurately adjust the position of the chuck according to your situation. Widely Used: You can use it on road bike, mountain bike, children bike, folding bike, the bike can be installed on most bicycles. 20-120kg according to different adjusted position There is a slider on the bicycle shock absorber. When you install the bike shock absorber, the slider is easy to slide back and forth. Please adjust to a comfortable position, according to your weight (from 20kg to 200kg). With the right slide and installation position, it will greatly reduce riding vibrations. You will easily get a labor-saving riding trip. Colour: Black Dimensions: 155x83x50mm Product includes: 1x shock absorber