The back plate is nickel plated to protect against corrosion

The length of the inside leg of the shotgun seat is 210mm

Mounts securely to seatpost or seatstay with the rubber band (Ø12-32mm)

Does not allow for the fine-tuning of air pressure when used with Presta valves

Fox Shox Steel Rear Shock Spring - 600lbs - 2.55 Inch Stroke PLP|EMTB Optimised The back plate is nickelCorrect spring rate is crucial for shock setup! These genuine Fox springs ensure you have accurate spring rates. Available in differ rates and strokes to fit your ride. Compatible with Fox DHX and VAN shocks. Please note: Stroke is dependent on your current shock and rate is based on your rider weight. To determine the correct spring rate please visit the Fox spring rate calculator page at the link below.