OHLINS DH CARTRIDGE UPGRADESTIME TO UPGRADEYou can always upgrade parts on your bike for higher performance. Even your suspension can be upgraded so you can conquer the terrain. The Ohlins DH Cartridge Upgrades are designed for Rock Shox Bo XXer and Fox 40 downhill forks. It has a TTX 18 cartridge kit featuring a downhill-optimized 18mm piston for improved small bump sensitivity. It also has increased damping pressure bandwidth to achieve improvements in damping valve response and sensitivity. Features Adjustment range specifically for gravity use both race and park Designed for the Rock Shox Bo XXer (2010-2018) and all Fox 40 forks15 clicks of low-speed compression and low-speed rebound and 5 clicks of high-speed compression | Ohlins | Dh Cartridge Upgrades Cartridge Boxxer Ttx