CARTRIDGE KIT available 2010   Update: We are currently producing what we call preproduction units, these will be produced in limited quantities and test marketed the first months of 2010. The final production units will be produced later in 2010 based on sales of the preproduction units. We anticipate the preprodution units to be $400, we will be installing these units to monitor issues and corrections. Current plans include kits for most of todays 8 inch travel forks, i.e. the 888, Boxxer, Travis, Kowa, Fox40 (oil seal and machining required) The internals are removed from the fork and replaced with our AVA Advantage Cartridge Kit simialr to the DHF forks   Kit consists of speed sensitive revalveable open bath damper (army green), base valve compression bolt adaptor (light green and light blue), ABS system and slider tube adaptor ring (green and gray), Fork cap and rebound adjustment system (yellow)   The kit will use your existing springs and preload collars, additional preload adjustment spacers will be provided Single or dual damper kits can be purchased, in most cases a single damper is all that is needed, the other leg will be used a dummy leg for the spring and preload only Instructions will be provided as to what needs to be done to convert this leg into a spring only system   Cartridge kit shown in a typical conventional fork   Shown below is the base compression valve with ABS (anti-bottoming system) ABS system prevents bottoming by a hydraulic oil lock collar and tapered cone (green) The light green adaptor is for mating the cartridge kit to the lower fork casting Low speed compression adjustment is provived by a 22 click low speed needle Adjustment is accomplished with a screw driver up thru the base valve adaptor bolt (light blue) Compression damping is provided by a 20 mm reshimable 4 port valve       Shown below is the rebound, mid speed valves, and cartridge chamber cap Low speed Rebound adjustment is provided by the low speed needle (shown in peach) Rebound damping is provided by a 20 mm valve, shims can be customized to create any valving curve Mid speed valving can be added to the check valve to reduce fork dive and prevent low speed blow thru Anti-top out is provided by optional spring (not shown), either traditional MX style and negative travel MTB style     Shown below is the adjustable rebound fork cap an air bleed screw is provided to release air build-up preload adjustment is provieded by adjustable spacers not shown    e-mail at : techinfo@avalanchedownhillracing.com HOME