Our standard travel EXTREME Open Cartridge Fork Kit has been developed specifically for those riders wishing to take their CF450MT on more extreme off road, or harder trails, with passenger and/or luggage.

We consider our EXTREME specification a major upgrade for owners who wish to fully exploit the off-road potential of the CF450MT platform.

Our Open Cartridge system was designed and developed in conjunction with TracTive Suspension in the Netherlands, and offers a significant improvement in all-round performance compared to the OEM components. 

Offering 200mm fork travel (same as the OEM specification) the dedicated individual Compression and Rebound Closed Cartridge damping system and heavy duty springs offer a dramatic increase in off-road and all-terrain performance, while remaining composed and controlled for riding on paved highways too of course. 

EXTREME Fork Kit specifications

The Open Cartridge design has been developed to retain the existing 200mm fork travel.

In addition, in this application the Compression and Rebound damping circuits are completely separated (in a dedicated cartridge, one in each leg) so that the respective valving can be tuned specifically to each action - allowing maximum control over both the Compression and Rebound damping of the front forks.

 features include:

• Fully adjustable for fork spring preload, compression and rebound damping control.
 

• Our replacement fork caps feature up to +15mm of spring preload adjustment, together with individual adjusters at the top of the forks for both Compression and Rebound damping control.

• 26mm piston for improved oil flow, damping performance, feel and response.
 

• Supplied with linear fork springs in a choice of 3 rates to match the rider weight.

• PDS check-valve circuit to enhance the damping progression towards the final portion of the stoke.

• Hard anodised CNC machined aluminium (external) and stainless steel (internal) component construction for durability.

Utilising a big-bore 26mm diameter piston and cartridge (rather than the OEM 20mm diameter), this allows for much larger diameter shims, giving more surface area, and a much more progressive and controlled feeling due to increased oil flow. 

Dedicated Compression and Rebound cartridges (one in each leg) allows for more effective and precise suspension adjustment, and results in a more sensitive and controlled fork action overall.
 

Supplied with a pair of linear-wound springs in a choice of 3 different rates, coupled with CNC machined plastic Spring Guides (incorporating our own PDS/check-valve design) and our high-strength hard-anodised aluminium 26mm cartridge/piston tubes. Complete with our own design billet aluminium adjustable preload fork caps.

Our Open Cartridge Fork Kit comes ready to fit*, and includes the dedicated tools for fitting the fork caps and adjusting the damping and spring preload. 
 

*Please see our fitting instructions for the list of tools required to install our CF450MT Fork Cartridge Kits.

Note. 1 litre of 10W fork oil included in each kit.

A pair of linear-wound springs (polished), in a choice of 3 different rates - depending on rider and any luggage/passenger weight.

Rider weights should included all riding gear, boots, helmet etc  and rucksacks, or drinks bladder.
 

Fork Spring choice (select using menu box above):

• Rider weight up to 85kg......……..........4,5 N/mm
• Rider weight up to 110kg.…............…4,8 N/mm

• Rider weight over 110kg....……...........5,1 N/mm

   

Note. The kit does not include replacement Fork Seals.

Note. Our Fork Kit is designed to be a straightforward DIY fit, but does require some basic knowledge of fork disassembly and suspension work. If you do not feel able/or have the facilities to do this at home, we recommend you contact a suspension specialist to perform the work for you.