Progressive Suspension 429-2005 429 Series Heavy Duty Shocks - 13.1in.

High pressure nitrogen-charged damper. 40mm steel monotube construction. Adjustable pre-load. Progressive rate spring. Deflective disc valving. NOTE: All shocks are measured center-of-eyelet to center-of-eyelet. NOTE: Heavy Duty Applications are recommended for bikes that are operated at or near the manufacturers maximum load rating over 50% of the time.