Fox 40 Float FIT GRIP2 Factory 27.5+/29" Fork - 203mm - 52mm Offset - Straight - Boost 20x110mm - Battleship Grey Limited Edition - 2021

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Description of Fox 40 Float FIT GRIP2 Factory 27.5+/29" Fork - 203mm - 52mm Offset - Straight - Boost 20x110mm - Battleship Grey Limited Edition - 2021


Fox Heritage Collection 2021

The limited edition 2021 Heritage Collection draws inspiration from the original 36 and 40 – the iconic forks that shaped modern Enduro and Downhill riding 15 years ago. The all-new 38 ushers in a new era of hard-hitting, long-travel Enduro riding and comes adorned in a unique pistachio hue, commemorating this historic moment and keeping the tradition of launching category-defining forks in a very special limited edition colorway.

All Heritage Collection forks feature special black adjuster knobs, a Kabolt-X axle, and include a matching rear shock graphics kit, compatible with all 2021 and 2020 models of Fox rear shocks.


Fox 40 Factory Fork - Battleship Grey Limited Edition

Ready to attack the track


Ultimate Downhill World Cup fork – the speed rush can be so beautiful. With the FIT GRIP2 shock damper, the Fox 40 is once again gaining ground in terms of control and grip. High and low speed compression as well as high and low speed rebound are adjustable, sensitivity is also increased. No matter if Bikepark days or World Cup races: with the 40 everything is fun!

The Battleship Grey Limited Edition features 203 mm of suspension travel, the proven FLOAT air spring and the for 2021 updated GRIP2 damping. The incredibly stiff yet light fork is also equipped with Kashima coated 40 mm stanchions to reduce friction significantly compared to other coatings and offer exceptional responsiveness. In addition, the distinctive golden Kashima coating offers extreme durability and classy looks. The Dual Crown design and the 20x110 mm Kabolt-X thru axle stiffen the chassis of the fork noticeably, providing stiffer wheel building at lower weight.


Details of the Fox 40 fork:


Lower leg channels

As a fork compresses, the air volume within the lower legs decreases, increasing air pressure. The more the fork compresses, the more pressure increases. This effect can have the unintended consequence of preventing full travel from being achieved. The lower leg channels help alleviate this issue by dramatically increasing air volume within the lower legs and thereby reducing the amount of additional unintended pressure ramping.



The lower leg bleeders allow for atmospheric pressure equalization at the simple press of a button. Pressure build-up in the lower legs dramatically decreases fork performance, preventing full travel from being achieved, and diminishing small bump sensitivity and responsiveness.


Lower leg arch

Stiffness-to-weight is the ultimate metric for bicycle design. Engineers invest countless hours poring over every ounce of material in an effort to optimize this critical ratio. Fox's all-new lower leg design pulls out all the stops, shaving every possible gram while making sure not to compromise stiffness or strength requirements of modern Enduro and Gravity style riding.


Technologies of the Fox 40 Float FIT GRIP2 Factory:


FIT GRIP2 - Next-Generation Sealed Cartridge FIT Damper

FIT GRIP2 is next-evolution sealed cartridge FIT system and the highest performing gravity-focused damper by Fox. The new damper shares its roots with the original GRIP architecture, but has been seriously enhanced with all-new technology: 4-way adjustability, VVC high-speed rebound circuit, high-performance mid-valve, and overall friction-reducing treatments.


Variable Valve Control (VVC)

GRIP2 now features high-speed rebound using Fox's novel and patent-pending approach: Variable Valve Control (VVC). It is a revolutionary way to adjust the high-speed rebound circuit, effectively changing valve stiffness rather than adding preload. Unlike normal adjusters that add valve preload, VVC uses a leaf spring to alter valve flex in the high-speed rebound circuit. The adjuster provides the same effect as revalving high-speed rebound but without the need for damper disassembly.


4-way Adjustability

The revolutionary design of the GRIP2 damper provides independently adjustable high- and low-speed compression and high- and low-speed rebound. In addition to offering incredible damper control, the adjustments also have a wider compression damping range to increase support without adding harshness.

  • High-speed compression (w/VVC): 8 clicks
  • Low-speed compression: 16 clicks
  • High-speed rebound (w/VVC): 8 clicks
  • Low-speed rebound: 16 clicks


A sophisticated mid-valve design allows more effective shaping of the compression damping curve, offering confidence-inspiring support that resists brake dive. Tested and proven on the demanding World Cup Downhill circuit, GRIP2 has been relentlessly tuned to deliver just the right amount of support without harshness, giving it another level of refinement over previous generation dampers.


Friction Reduction

During the development of GRIP2, engineering uncovered improvements that greatly reduce friction.
Low friction seals help improve small bump compliance and honed, polished, and coated shaft and tube surfaces further eliminate friction for an unmatched ride experience.



The FLOAT air spring system is light and reduces the force to initiate travel, providing excellent sensitivity and small bump compliance for all riders and pressure settings. It features positive and negative air springs that automatically equalize during use to give each rider the right pressure balance.



A more linear spring curve gives EVOL forks and shocks plushness off the top, extra mid-stroke support, and more tunable bottom-out progression, allowing riders to tap into the ideal pairing of front and rear-end feel. The EVOL technology from rear shocks is now integrated into all Fox forks. EVOL increases negative air spring volume, specifically positioned and sized for optimum small bump sensitivity.

Air Volume Spacers

The progressiveness of the FLOAT air spring curve can be adjusted via air volume spacers, allowing riders to fine-tune the feel of the air spring.

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Fact Sheet of Fox 40 Float FIT GRIP2 Factory 27.5+/29" Fork - 203mm - 52mm Offset - Straight - Boost 20x110mm - Battleship Grey Limited Edition - 2021

Product Name: Fox 40 Float FIT GRIP2 Factory 27.5+/29" Fork - 203mm - 52mm Offset - Straight - Boost 20x110mm - Battleship Grey Limited Edition - 2021
Manufacturer: Fox Factory
Item Code: FOX476726
activity: Bike
material: Aluminium
usage bikesport: MTB, Downhill
brake type: Disc Brake
wheel size: 27,5" / 650B (584mm), 28" (29") (622mm), 27,5" 650B (584mm)
travel fork: 200 / 203
axle standard: 20x110 Boost (FW)
air/coil spring: with air spring
fork/shock adjustability: Pressure positive air chamber, Air volume, Low speed compression, High speed compression, Low speed rebound, High speed rebound
fork length (axle to crown): 601mm
stanchion diameter: 40mm
suspension: FLOAT
damping: FIT GRIP2
fork offset: 52mm
max tire width: 64.5mm
steerer diameter: 1 1/8" straight ahead
shaft length: 272mm
disc brake mount: PM (8") 203mm
max. disc diameter: 230mm
steerer material: aluminium, Aluminium
Model year: 2021
Color: Grey
fork construction: classic
weight: 2816g
manufacturer item code: 910-20-154
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