SR Suntour NCX Suspension Seatpost: 27.2 x 350mm, 50mm Travel, Black

SR-Suntour SP12 / SP17 NCX suspension seat post. Spring seat posts are an alternative to the spring-loaded rear wheel, which lowers the saddle well when sitting on. While driving, the seat height changes only slightly. The high-quality seat posts give you noticeably extra comfort on uneven surfaces. Suntour Parallelogram System. Note: The bottom of seatpost has adjusting screw which can control the suspension.