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Ferro USD36

E-Moto Fork

Ferro USD36
dublin electric bike shop
Ferro

At EXT Racing Shox the study and the development of new technologies never stops. We are focused on the progression of design in order to bring the best solutions to the market with the aim of satisfying the needs of even the most demanding riders.
With the growing worldwide popularity of electric dirt bikes, we saw the specific need for suspension capable of matching these vehicles potential. We seized this opportunity to take our extraordinary decades-long know-how on suspension inside this new world, implementing a new custom solution to achieve the highest performance for our customers. Something that will truly bring your E-MX to the next level!

EXT Racing Shox is extremely proud to introduce the brand-new FERRO USD 36, an upside-down design suspension fork featuring 36mm stanchions to complete our E-MX line-up. The Hard heat-treated chrome moly steel stanchions (W/Superfinish surface treatment), 7000 series aluminum constructed upper legs utilizing a 205mm travel design with a dedicated triple clamp, comprise the core of the Ferro, developed for minimum friction and high stiffness.

HS3 TECHNOLOGY

The FERRO USD 36 fork utilizes our HS3 technology, a unique hybrid air spring system that operates in the same fashion as the already renowned ERA V2 MTB fork as well as other high end Moto options. The two separate positive air chambers work in tandem with a high volume self-equalizing negative air chamber to provide unparalleled mid-stroke support around the dynamic sag position while simultaneously offering amazing sensitivity and bottom-out protection.

3 WAY-ADJUSTABLE

A high-flow 3-way adjustable hydraulic damper cartridge  featuring an independent High/Low speed compression and Rebound adjustments sets the new standard in fork adjustability. This allows each rider to properly adjust the damping forces according to their individual riding style and weight. The possibilities to tailor the fork on your preferences have become unlimited.

SLIDING BUSHINGS

We evaluated every aspect of the bushing design to provide a low friction solution to improve smoothness and sensitivity while maintaining structural rigidity. This process took us back to our 14 World Rally Championship wins, that make EXT the most successful suspension manufacturer in WRC.

Our new DU bushing material used in the FERRO USD 36 fork are sized to defined tolerances for each fork assembly to work in harmony with our dedicated EXT oil. This guarantees zero stiction and super low dynamic friction properties even when combined with high side loads. The dedicated DU guiding system made with a specific superlong bushing overlap ensures the maximum guidance and the best torsional rigidity characteristics of the stanchions. (We’ve called it, CGB, Continuously Guided Bushing system which also helps to increase the dynamic stiffness). Perfect alignment and excellent sliding are guaranteed by the wheel axle with double hexagonal head. This shape, associated with the double crown in 7075 aluminum, ensures maximum torsional rigidity.

NEW HIGH-FLOW CARTRIDGE

The new FERRO USD 36 inherits the best technologies from our well-known ERA V2 and it optimizes them for the E-MX application by adopting an innovative radial floating shaft guide in the damper cartridge with a Superfinish surface treatment and new aeronautical seals, which takes the friction to the lowest possible level. EXT high-volume cartridge uses a high flow piston to generate control for your bike, an essential performance upgrade for spirited riding.

This large piston design provides the best damping control possible. The cartridge is also equipped with a bump valve design (HDRV –High Dynamic Response Valve) with 2 different shim stacks for mid and high speed and an Internal Floating Piston (IFP) guided and combined with a bespoke thrust bearing to enhance fast response and guidance. Our goal has always been to find a balance between all the internal cartridge pressures, and through a long development process we made possible the optimization of the internal forces reaching low values of hysteresis and no cavitation.

dublin electric bike shop
dublin electric bike shop

TECHNOLOGY AND FEATURES

dublin electric bike shop

HS3

No more harsh bottom-out! This system makes the compression progressive, allowing for lower air pressure settings inside the chambers, and offering better traction.

dublin electric bike shop
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