Wunderlich - Suspension Shock Absorber S4 Pro Options:Rear - Standard Create or adjust calibrations and

Create or adjust calibrations and maps

and extended durability

spark plug wires

Fast switching from left to right and vice versa via the switching lever

and other trail conditions

Wunderlich - Suspension Shock Absorber S4 Pro Options:Rear - Standard Create or adjust calibrations andFacts and Product Features of Wunderlich Suspension powered by TracTive S4 PRO Shock Absorbers For extreme use: The PRO version. Extra reinforced high performance shock absorber of the latest generation as an upgrade or replacement for the stock suspension. Designed for the highest demands of demanding adventure riders who frequently go off road and touring riders who regularly travel with heavy loads, as well as for riders who desire extra safety