Shock Absorber Type 641 CompetitionThe stock fork exhibits relatively poor responsiveness. When combined with SKF oil seals, the Wilbers upgrade delivers a much smoother and more sensitive fork response. The rear shock features a slightly softer spring along with optimized rebound and compression damping, ensuring improved ride comfort and control. The suspension geometry at both the front and rear axles has been carefully refined and optimized by adjusting the negative spring travel.