Shock Absorber Type 643 Competition PSD Lift/Lowering:Std but some riders desire more

but some riders desire more precise “feedback” from the chassis

The stock setup offers slightly too little negative spring travel

Its patented material and unique green finish provide long-lasting radial sealing and ultra-sensitive fork response

Springs: Dirt-specific progressive springs optimized for vintage off-road travel and geometry

allowing you to fine-tune how quickly the shock returns after a bump

Shock Absorber Type 643 Competition PSD Lift/Lowering:Std but some riders desire more643 QSD Diagonal, traversable reservoir. Originally developed for the Honda VFR 1200, this Competition shock adds a diagonally mounted, rotatable compression reservoir to the Wilbers construction kit, unlocking multiple mounting options on bikes with limited space. The upper mount integrates the high and low speed compression adjusters for precise damping control. Spring preload is continuously adjustable with the supplied spanner or, optionally,