Fox Suspension DHX RC4 Factory Rear ShockThe Fox Suspension DHX RC4 Factory Rear Shock features a coil spring design, an updated chassis and damper for precise and controlled handling on your mountain bike (MTB) trail-riding adventures. This trail-ready rear shock is well-equipped for the most demanding of terrain conditions. Part of Fox Suspension’s prestigious Factory Series, this model is kitted out with proven technologies and is designed to exceed the demands of Factory-level riders.This trail-ready rear shock is well-equipped for the most demanding of terrain conditions. Part of Fox Suspension’s prestigious Factory Series, this model is kitted out with proven technologies and is designed to exceed the demands of Factory-level riders.Adjustable Coil Spring Rear ShockBenefitting from Fox Suspension’s finest technologies for modern mountain bike riding, this rear shock is equipped with a high-quality coil spring design and an updated damper. The updated X2 damper maintains a twin-tube architecture, employing a proven dual-shim stack main piston for improved damping and more precise tuning than ever before. Features: Material: Aluminium Body Hardware: M8x21.84mm Shaft Coating: Kashima coat Eye to Eye Measurement: 9.5"x3" (241mmx76mm) Use: MTB Spring Type: Coil spring Adjustments: High Speed and Low Speed Compression, Rebound Spring Included: Yes Weight: 450g (approx.)Technologies:Factory Series: “Factory” says it all - feature-packed and designed to exceed the demands of Fox Suspension’s Factory-level riders. What Fox sells is what the Pros raceUpdated Chassis: The outer body on the DHX2 features steel construction with finned inner tubes for reduced hysteresis. DHX2 features an updated low-friction hard chrome coating on the shaft with new seals designed to pair perfectly to the new shaft coating, reducing frictions and increasing seal lifeMCU Bumper: The updated MCU bumper is designed to allow for supple beginning and mid-stroke, seamlessly transitioning to a bottomless end-strokeRevised Spring Changes: The coil-sprung DHX2 now uses a full spring collar, held in place with a C-clip, and an updated preload collar with indexed notches to allow for light preload without the collar backing offBuy Fox Suspension Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.