Fox 40/49 and
Marzocchi Bomber 58
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 Midvalve.
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 $129 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)
Fox 40 with optional ABS(only needed for older oem factory coil only forks) and optional FvAT/HSB installed
Our new Mid-Hybrid Coil option for the open bath Cartridge
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Cartridge Cut-away View
Compression, Rebound and Midvalve shown above.
Fox 40/Bomber 58 Open Bath Cartridge Kit
including fork Cap Adaptor
Self install instructions are still being produced, if you choose
to self install the cartridge use the Boxxer 35 install manual for
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 $129 plus shipping, includes Spectro 85/150 oil.
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The coil kit supports about half the rider weight and the air spring makes up for the other half of the support needed. Now the air side can be used to fine tune the spring rate needed as well as adjust the ride height for different riding conditions, also the air ramp-up can be controlled with the traditional tokens or aftermarket ramp up adjustment devices. The advantage of the hybrid system is versatility, performance, weight, and cost savings. It simply drops into the damper side, only adds about 178 grams(250 grams for 8 inch fork), it solves most of the air spring issues in the first half of the stroke, where the friction forces and small bump compliance are critical, more supportive, it fills in the midstroke wallow of the air spring and corrects the ride height with physical adjustable preload. When the fork gets deeper in the stroke the spring force is more dominant and the stiction and air spring concerns are not as noticeable, so the final spring force is not as sensitive as long as it is more linear and removal of the tokens is now possible with proper damping. The air spring can be set to very low pressures and as linear as possible where it is nearly negligible. Ride height and spring rate can be fine tuned with the air spring pressure which is very helpful when in between spring rates and allows for different riding conditions. The equal force system is a very important feature because now the fork compresses equally with about the same spring rate in both stanchions, a single spring system causes the unsprung side to compress ahead the spring side because of the flexibility of the crown and lowers, this causes stiction in the first half of the travel which is more of a contributor than the air spring stiction. The abs system that we sell as an option to our damper and the Vorsprung system is not necessary because of the air hybrid ramp up is sufficient to prevent bottoming. We feel because of all these advantages there is no need to remove the air spring for single crown fork and replace it with a empty leg coil system.
Only needed for older coil forks, not needed for Hybrid Coil/Air Forks
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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. It 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 $129