Fox 40 Open Bath Cartridge and Adaptor Kit
The best performance modification you will ever do to your fork!
Complete replacement of the damper with our open bath cartridge!
This will make your fork feel like a completely different fork, because it is!
Open Bath Cartridge system for better lubrication, smoother action and virtually maintenance free.
External low speed compression and low speed rebound adjusters
Internal revalvable custom high speed compression and rebound valving.
Internal Anti-dive MidValving.
Optional ABS when using coil kits and when air progression is not enough to prevent bottoming
Optional FvAT/HSB System
Includes the 20 mm Cartridge Damper Kit Insert and fork cap adaptor.
Self install kit, user serviceable and revalvable.
All cartridges are optimized for current travel.
Weight grams 300 grams plus oil.
Replacement open bath maintenance free speed
sensitive damper assembly, "set it and forget it"
Weight approx. 300 grams
Need us to install it for you, just send your fork to us and we will install it for $100 including Spectro 85/150 oil.
*Self install kit assumes good working knowledge of internals and service procedures.
For the firmer feel without harshness, have that big hit set-up that still feels plush on square edged bumps!
Fox 40 Open Bath Cartridge
Fox 40 Fork cap adaptor (preproduction)
2019 Fox 40 with optional ABS and optional FvAT/HSB installed
Cartridge Cut-away View
Compression, Rebound and Midvalve shown above.
Fox 40 Open Bath Cartridge Kit including
fork Cap Adaptor
call for Marzocchi Bomber 58 details
Custom valved and set-up to rider weight, ability and riding style
Need to have us install it for you? Ship your fork to us and we can install it for $100 plus shipping, includes Spectro 85/150 oil.
Add option here
Have us install your cartridge for you
Ship us your fork, we
will install your new cartridge,
Add option here, does not include shipping back to you, we will adjust your shipping total depending on where you live in the world and send you a Paypal invoice for the difference. Iit assumes your fork is in good working condition with no physical damage or scratches on the stanchions.
Add each item required to the cart. Price $100
The Avalanche Advantage over the the Fit RC2 cartridge:
A larger (20mm vs 15.5mm) 4 port rebound valve that has more low to midspeed transition control and optional high speed shim configurations for different spring rates and rider conditions.
A midvalve with user tunable shims/valving that provides anti-dive feature while still blowing off without low speed harshness on small bumps.
The same DHF proven design (20 mm) 4 port compression valve with optional revalving charts and shims available to fine tune your fork for your individual riding conditions and ability.
User serviceable, all parts are available here at Avalanche to service or modify the internal set-up.
Revalving kits can be purchased from Avalanche or any suspension tuning shop that carries standard 6 mm shims.
High speed adjustment is at best a compromise of the original shim stack, depending on the high speed spring preload adjuster rate and where the pressure is applied
on the shim stacks you can get less than desirable results in damping feel, i.e. preloading the outside rim of the shim may make the high speed stiffer,
but also creates mid and low speed harshness in the damper.
The original RC/RC2 large compression adjuster protrusion at the bottom of the fork is eliminated and cleanly redesigned.