Yongness Bicycle Spring-Loaded Seat Post, Diameter 27.2 mm, 30.8 mm, 31.6 mm, Suitable for Electric Bicycles, MTB, City Bikes Spring Seat Post (Black)

• Premium materials: the spring-loaded seat post is made of high-quality 6061 aluminium alloy. It is precisely manufactured with CNC technology, so that the spring-loaded bicycle seat tube has higher hardness, strong rust and corrosion resistance and a longer service life. Packing list: spring shock absorber seat post x 1, Allen key x 2.
• Comfortable driving: this seat post becomes an integral part of your pain-free ride. Equipped with coil springs with a total stroke of approx. 40mm This ensures an adjustable and comfortable suspension for weights between 60 - 120 kg, thus significantly reducing spine pressure.
• Easy adjustment: the preload of the seat post can be easily adjusted at the bottom with the included M6 Allen key. By screwing in the screw, the preload of the spring can be increased. This makes the spring-loaded seat post suitable for heavier riders. The saddle angle can be adjusted from -5 degrees to +18 degrees.
• Multi-purpose: this bicycle seat post is suitable for most bicycles, mountain bikes, road bikes, touring bikes, BMX bikes and more. (Note: please check your current seat post diameter before purchasing. The size is marked on the bottom of the seat post. Or measure the inner diameter of the frame tube. And buy the same size from the options.)
• Quality service: quality service is not only our commitment, but also our consistent pursuit. If you receive a product damaged during transport, please send us an email. We will patiently solve your problem and provide you with satisfactory customer service as much as possible.

The spring-loaded seat post features an internal spring shock absorber method. By absorbing the shocks and vibrations occurring when driving. reduces the impact on the body when driving, reduces fatigue when driving and improves driving comfort, so you can drive on bumpy roads. I feel much better when walking. The result is a softer and more comfortable Driving experience. This can also provide indirect safety benefits. Because less bumps and unevenness allow you to better control the bike and focus on what lies ahead. Specification: Material: high-quality 6061 aluminium alloy. Diameter: 27.2mm/30.9mm/31.6mm Length: 350 mm. Stroke: 27.2 mm/40 mm, 31.6 mm/50 mm. Weight: approx. 495 g / 610 g. Packing list: Spring shock absorber seat post x 1, Allen key x 2. Please note: 1. Pay attention to choosing the right diameter to avoid mistakes and save time. Different sizes are not compatible. 2. Each seat post only fits one size! ! ! One seat post cannot be used simultaneously for the three sizes 27.2mm/30.9mm/31.6mm, but only for one of the sizes. Please make sure to choose the right size.