Bitubo's bolt-in (plug & play) pressurized adjustable fork cartridges give greater comfort, handling and riding fun for years to come. Comes with adjustable pressure, length, spring preload and rebound. Modifications to original components are not required, offers Plug & Play installation. Cartridges are machined from billet material and calibrated by Bitubo's suspension specialists. Offers better support of front suspension during braking, straight line and cornering while improving stability over a large variations of surface areas and conditions. Bitubo's pressurized fork cartridge kits tick all the boxes and will transform your bike into a better riding machine. - Bolt-in installation - Adjustable cartridge pressure - Adjustable length up to 30mm - Adjustable spring preload - Adjustable rebound.