Rear Shock Spring Spring Color:Black (+$10) Is your motorcycle's front end

Is your motorcycle's front end feeling vague

It features stepless spring-preload adjustment via the included spanner

The high-quality stereo version of our 630 shock

Our Wilbers setup refines shock and fork balance and dials in spring rate and damping for conventional shocks

we successfully combined Wilbers suspension technology with the BMW ESA system at the beginning of 2010 — a perfect union of innovation and performance

Rear Shock Spring Spring Color:Black (+$10) Is your motorcycle's front endThe Hyperpro Progressive Rear Spring enhances cornering, reduces braking distance, and improves overall bike balance and feedback, fitting onto the original shock for easy installation.