Rear Shock Spring Spring Color:Purple the Wilbers solution reduces the

the Wilbers solution reduces the negative spring travel and slightly lengthens the shock absorber

Shock Type: Piggyback Gas-Charged Twin Shocks

allowing installation on nearly any motorcycle with dual shocks

Our Ecoline 540 TS setup improves rear comfort by optimizing negative travel and rebound damping so the machine works with the rider—not against them

Each kit includes one dust seal and one oil seal for one fork leg

Rear Shock Spring Spring Color:Purple the Wilbers solution reduces theThe Hyperpro Progressive Rear Spring enhances cornering, reduces braking distance, and improves overall bike balance and feedback, fitting onto the original shock for easy installation.