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Slightly firmer Zero Friction fork springs and matched oil complete the package
we successfully combined Wilbers suspension technology with the BMW ESA system at the beginning of 2010 — a perfect union of innovation and performance
This premium kit represents a significant leap beyond the capabilities of the YSS PD Valve
but with variable gradations depending on the rider’s weight
Note: the air chamber still adds progression near the end of travel
Rear Shock Spring Spring Color:Purple Slightly firmer Zero Friction forkThe Hyperpro Progressive Rear Spring enhances cornering, reduces braking distance, and improves overall bike balance and feedback, fitting onto the original shock for easy installation.
