Fox Racing 40 Factory Suspension Fork

The Fox 40 is a dedicated downhill fork with a dual-crown design, meaning it is specifically engineered for downhill frames with 203mm of travel. It is not compatible with standard trail or enduro bikes that require a single-crown fork.

The signature gold Kashima coating is designed to reduce friction between the stanchions and the seals. This results in a smoother initial stroke and better small-bump sensitivity, helping the fork react more quickly to trail chatter.

The GRIP X2 is Fox's most adjustable gravity damper to date, offering 4-way adjustability for high- and low-speed compression and rebound. This allows you to fine-tune the fork's behavior precisely for different track conditions, from high-speed rock gardens to steep, technical chutes.

Yes, this fork uses a 20x110mm Boost axle standard. You will need a downhill-specific front hub that matches this spacing to ensure a proper fit.

Absolutely. The FLOAT EVOL air spring system allows you to tune the air pressure to perfectly match your rider weight and riding style. You can further refine the feel using volume spacers to adjust the progression of the spring curve.

The 40mm stanchions provide significant structural stiffness, which is critical for maintaining steering precision and tracking through high-speed, rough terrain. This rigidity prevents the fork from flexing under heavy braking or aggressive cornering forces.