Product Details The shock is designed to improve handling and stability while cruising around town or on the wide open road. The 429 shock utilizes a high pressure nitrogen charged damper and features a steel monotube construction with an Internal Floating Piston (IFP). This shock is easy to install and the preload is simply adjusted via threaded preload adjusters. High-pressure nitrogen charged damper rate spring 40mm monotube construction High-performance MCU joust bumper Deflective disc valving Hard chrome precision ground damper rod Sold in pairs Lifetime limited warranty