Fox Racing 40 Factory
Best premium suspension for serious downhill mountain biking.
Engineered for the most aggressive gravity riding, this downhill fork delivers unmatched stiffness and precision. With advanced damping adjustments and a low-friction coating, it provides the control needed to navigate the roughest, steepest terrain with confidence.
$1939.00
More 40 options
Who it's for
- Downhill racers and aggressive gravity riders seeking peak performance.
- Riders who push limits and demand equipment that endures harsh impacts.
- Experienced riders and mechanics who fine-tune suspension for optimal feel.
Who should skip it
- Budget-conscious riders or casual enthusiasts looking for value.
- Cross-country riders or those prioritizing lightweight climbing efficiency.
- Recreational riders or beginners on less aggressive terrain.
Performance breakdown
Chassis Stiffness
Dual-crown architecture provides unwavering tracking through the roughest rock gardens.
Damping Precision
GRIP X2 damper offers professional-grade control for high-speed technical descents.
Small Bump Sensitivity
Kashima coating ensures buttery smooth traction on chatter and trail debris.
Tuneability
Four-way adjustment allows riders to dial in exact compression and rebound.
Weight Efficiency
Robust construction prioritizes durability over lightweight climbing performance.
Maintenance Ease
Integrated air bleeders simplify pressure management during long, demanding ride days.
Key Specs
Fork Type
Downhill
Suspension Type
Air
Suspension Travel
203 mm
Wheel Size
27.5 inches
Steerer Tube Diameter
1.125 inches
Axle Type
20x110mm Boost Thru-Axle
Brake Mount Type
203mm Post Mount
Stanchion Diameter
40 mm
Offset
48 mm
Weight
2816 g
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