The Öhlins shim system offers infinitecombinations of shim stacks with a widespectrum of different character with oneand the same piston. The whole systemis pressurized by nitrogen gas behind afl oating piston to ensure separation of thegas and fl uid.The Öhlins TPX/TTX44 shockabsorbers are a racer friendly shockabsorber, easy to set up, dial in andrebuild. Support is always available fromthe Öhlins distributors worldwide.Congratulations on choosing theÖhlins TPX/TTX Rally shock absorber- the most unique and powerful racingshock absorber available today. TheTPX 44 is of a McPherson type andTTX 44 is of a twin tube type shockabsorber. Both are 3 way adjusted.High and low speed compression withRebound adjusters. Both are availablewith the new updated ProgressiveDamping System (PDS). The TPX/TTX44 shock absorber design is theculmination of two decades of Öhlinssuccessful participation in WorldChampionship events.This shock absorber draws on all theexpertise developed by Öhlins whilewinning more than a hundred WorldChampionships.The TPX/TTX44 shock absorbersare designed to handle the demandingdamping characteristics needed for alltypes of tracks, from hard packed soil tosoft sand tracks.The Öhlins TPX /TTX 44 featurespatented. Pending concept with a uniquedesign that allows for the gas pressureto always back-up the low-pressureside of the piston to keep pressure ata controlled level. Both concepts givethe possibility to have totally separatedadjusters for compression and rebounddamping.The temperature stability is maintainedby using a flow restriction design inthe bleed valves that create a turbulentfl ow at very low piston velocities. Also,materials with different thermal expansionrates are used to compensate for theviscosity change of the fluid caused bychanges in temperature.Design and Function4