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FOX Racing Shox
40 Float 29in Factory Grip X2 Fork

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Why We Like The Fox 40 Float 29in Factory Grip X2 Fork

If Big drops, jumps, and rowdy descents are on the menu, the Fox 40 Float 29in Factory Grip X2 Fork is one of our go-to's for heavy-duty downhill performance. The Fox 40 features beefed-up 40mm stanchions, a dual crown, and a 20mm axle for downhill-ready strength and stiffness. This year, Fox revised its top-tier Grip2 damper and returned with the Grip X2. All of the compression and rebound adjustments stay the same, but the Grip X2 now features a larger diameter base valve and a higher count valve stack for better sensitivity and tuning range. This all helps to keep us planted through high-speed berms while riding higher in our travel for unprecedented downhill-focused performance. Various features returning from the last model year include the floating axle for a smoother ride, the revised arch for stiffness and weight savings, and the bleeders for balanced positive and negative air chambers.


  • Premium downhill fork for racing or bike park use
  • Grip X2 damper high/low compression and rebound and more sensitivity
  • FLOAT EVOL air spring offers extra mid-stroke support and tunable bottom-out
  • 20 x 110mm Boost axle for downhill strength and stiffness
  • Larger diameter base valve lowers pressures for extra sensitivity
  • Triple the valve stack count for enhanced tunability
  • Item #FRSC0AE
Stanchion Material
aluminum, Kashima coating
Lower Material
Crown Material
Wheel Size
Steer Tube Diameter
1 1/8in straight
Stanchion Diameter
Spring Type
Grip X2
low/high-speed compression, low/high-speed rebound
20 x 110mm Boost
Brake Compatibility
Post Mount, disc
Rotor Compatibility
[min] 203mm, [max] 230mm
Claimed Weight
6lb 0.82oz (2745g)

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