In order to modify the front end feedback endurance at race tracks, as well as in touring, according to your needs, the fork's spring replacement is the first step to personalize the bike. Bitubo fork springs are manufactured in Cr-Si alloy steel, heat treatment, stabilizing procedure and final shot-basting with steel balls, thus ensuring very high performances for a long time. The kit includes the specific oil, whose density comes from the R&D study Compatible with: - Ducati: Monster S2R 1000_M, Monster S4R -06_M