Rear Shock Spring Spring Color:Black (+$10) The high-quality stereo version of

The high-quality stereo version of our 630 shock

Threaded Preload & Length Adjustments: Easily adjust your rider sag using the threaded preload collar

The Wilbers shock absorber has been optimized in both rebound and compression damping

The seal not only prevents leakage but also protects fork tubes and maintains smooth motion over time

which offer a much better initial response and provide more reserve in the second spring rate compared to the stock setup

Rear Shock Spring Spring Color:Black (+$10) The high-quality stereo version ofThese Progressive Rear Twin Shock Springs provide improved cornering, shorter braking distances, and better overall balance and feedback, fitting onto the original shock for easy installation.