PARTS & DRAWINGS
40mm Part Information
New for 2021:
| New Decals | New design on all models |
| New Crowns | New crown design. More options for different offsets. |
| New Lower Assembly | New lower leg bleeders and channels. Arch design increases head tube clearance, allowing for reduced rake. |
| 40 Name across the board | 49 name goes away for 2021, 27.5" and 29" models are both called 40. |
| New Air Spring | Air spring has been updated to a larger positive and negative air chambers. |
| New Damper | Grip2 variable valve control (VVC) on compression and rebound. |
| New Grip2 E-bike tune comp valving | Lighter than the standard tune for longer distance comfort. |
| New Mud Guard | Mud guard was designed specifically to match the new lower assembly (not backwards compatible with previous 40 models. Not compatible with Marzocchi BOMBER 58). |
| Damper Topcap Assemblies | MY21 Damper Topcap Assemblies do not include Topcap Interface Parts. Please order the appropriate Interface Parts Kit separately. |
Maintenance:
| Service Interval | Full Service 125 hours |
| 803-00-946 | Kit: Dust Wiper, Forx, 40mm, Low Friction, No Flange |
| 803-01-320 | Seal Kit: MY19+ 32, 34, 36, 38, 40 GRIP Cartridge Rebuild |
| 803-01-494 | Seal Kit: 2021 F-S Grip2 BV 34/36/38/40 |
| 803-00-964 | Seal Kit: 40 FLOAT NA2 Rebuild |
| 398-00-773 | Tooling: Guided Fork Seal Driver, One Piece Seal/Wiper, 40 |
| 398-00-681 | 32 Damper-side and ALL 32-34-36-38-40 Spring-side Removal Tool |
| 398-00-682 | 34-36-38-40 Damper-side Removal Tool |
| 803-01-324 | Tooling: 2019 Clamps, Grip Damper, Body and Shaft |
Air Spring Tuning:
| 234-04-726 | Volume Spacer, FLOAT NA 2, 40 |
Oils:
| Application | Description | Part |
| All Grip and Grip2 VVC Dampers/Damper Side Bath Oil | Oil: Suspension Fluid, 5wt, Teflon Infused, 1.0 US Quart | 025-03-023 |
| NA2 Air Chamber/Float Side Bath Oil | Oil: AM, FOX 20 WT Gold, T22238, 32 oz | 025-03-072 |
| Application | Oil Volumes |
| Grip/Grip2 VVC Damper Side Bath | 50cc (FOX 5wt. Teflon Infused Oil) |
| FLOAT NA2 Air Chamber | 6cc (FOX 20wt. Gold Oil) |
| FLOAT NA2 Bath | 35cc (FOX 20wt. Gold Oil) |
CSUs:
| Part Number | Description |
| 820-12-358-KIT | Service Set: 2021, 40, Flat Upper Crown, 10mm OS, 44 Rake |
| 820-12-360-KIT | Service Set: 2021, 40, Flat Upper Crown, 14mm OS, 48 Rake |
| 820-12-361-KIT | Service Set: 2021, 40, Flat Upper Crown, 18mm OS, 52 Rake |
| 820-12-362-KIT | Service Set: 2021, 40, Flat Upper Crown, 22mm OS, 56 Rake |
| 820-12-352-KIT | Service Set: 2021, 40, Drop Upper Crown, 10mm OS, 44 Rake |
| 820-12-353-KIT | Service Set: 2021, 40, Drop Upper Crown, 14mm OS, 48 Rake |
| 820-12-354-KIT | Service Set: 2021, 40, Drop Upper Crown, 18mm OS, 52 Rake |
| 820-12-355-KIT | Service Set: 2021, 40, Drop Upper Crown, 22mm OS, 56 Rake |
| 820-12-346-KIT | Service Set: 2021, 40, Lower Crown-Steerer, 10mm OS, 44 Rake |
| 820-12-347-KIT | Service Set: 2021, 40, Lower Crown-Steerer, 14mm OS, 48 Rake |
| 820-12-348-KIT | Service Set: 2021, 40, Lower Crown-Steerer, 18mm OS, 52 Rake |
| 820-12-349-KIT | Service Set: 2021, 40, Lower Crown-Steerer, 22mm OS, 56 Rake |
| 208-05-186 | Uppertube, Kashima, MP, 2019 40 29in Butted, Air, Coil and Damper side, Dimpled |
| 208-01-144 | Uppertube, Black Ano, 2016 40 Butted, Air, Coil and Damper side, Dimpled |
Lower Legs:
| Part Number | Description |
| 820-20-139-KIT | Service Set: 2021 40 29in 20x110 Boost Fox Matte Black 20mm Lower Assy |
| 820-20-141-KIT | Service Set: 2021 40 29in 20x110 Boost Fox Shiny Black 20mm Lower Assy |
| 820-20-142-KIT | Service Set: 2021 40 29in 20x110 Boost Fox Battleship Grey 20mm Lower Assy |
| 820-20-143-KIT | Service Set: 2021 40 29in 20x110 Boost Fox Shiny Orange 20mm Lower Assy |
| 820-20-144-KIT | Service Set: 2021 40 27.5in 20x110 Boost Fox Matte Black 20mm Lower Assy |
| 820-20-146-KIT | Service Set: 2021 40 27.5in 20x110 Boost Fox Shiny Black 20mm Lower Assy |
| 820-20-147-KIT | Service Set: 2021 40 27.5in 20x110 Boost Fox Battleship Grey 20mm Lower Assy |
| 820-20-148-KIT | Service Set: 2021 40 27.5in 20x110 Boost Fox Shiny Orange 20mm Lower Assy |
Decals:
| Part | Description |
| 803-01-539 | Decal Kit: 2021, 40, F-S, Orange Logo, Shiny Black Fork |
| 803-01-540 | Decal Kit: 2021, 40, F-S, Black Logo, Shiny Orange Fork |
| 803-01-541 | Decal Kit: 2021, 40, F-S, Battleship Grey Logo, Battleship Grey Fork |
| 803-01-542 | Decal Kit: 2021, 40, P-SE, Gray Logo, Matte Black Fork |
| 803-01-543 | Decal Kit: 2021, 40, P-S, Gray Logo, Matte Black Fork |
Lower Leg Subassemblies:
| Part | Description |
| 820-09-067-KIT | Service Set: 2021 Pressure Release Button, Lower Leg, F-S |
| 820-00-024-KIT | Service Set: 40 Axle Assembly |
| 820-00-202-KIT | Service Set: Light Disc Brake Hose Guide Parts |
| 803-01-471 | Assembly: Mud Guard, MY21 40, Black, AM |
| 803-01-672 | Kit: FOX 40/Marzocchi 58 Lower Leg Axle Pinch Bolt Parts (5 Each: Fasteners, shims, and pinch bars. Axle not included) |
Complete Cartridges:
| Part Number | Description |
| 820-18-128-KIT | Service Set: 2019 40 27.5 & 29, FIT Grip Cart Assy Complete |
| 820-18-337-KIT | Service Set: 2021 40 203, Grip2 VVC HSR / LSR / HSC/ LSC Cart Assy Complete |
Cartridge Topcap Assemblies:
| Part Number | Description |
| 820-05-527-KIT | Service Set: 2019 40 FIT Grip Damper, Topcap Assy |
| 820-05-666-KIT | Service Set: 2021 40 Grip2 VVC TPP Damper, Topcap Assy |
Topcap Interface Parts:
| Part Number | Description |
| 820-05-528-KIT | Service Set: 2019 40 FIT Grip Topcap Interface Parts |
| 820-05-669-KIT | Service Set: 2021 Grip2 VVC HSC / LSC Topcap Interface Parts |
| 820-05-670-KIT | Service Set: 2021 Grip2 VVC HSC / LSC Topcap Interface Parts, Black Ano |
Bottom Stud Interface Parts:
| Part Number | Description |
| 820-05-518-KIT | Service Set: 2019 36 Grip Bottom Stud Interface Parts |
| 820-05-501-KIT | Service Set: 2019 Grip2 HSR / LSR Bottom Stud Interface Parts |
FLOAT NA2 Air Shaft Assemblies:
| Part Number | Description |
| 820-02-581-KIT | Service Set: Air Shaft Assy, 40, 203mm, FLOAT NA 2.1, +14.7cc Neg |
| 820-02-584-KIT | Service Set: Air Shaft Assy, 40, 190mm, FLOAT NA 2.1, +14.7cc Neg |
FLOAT NA2 Topcap Assemblies:
| Part | Description |
| 820-05-346-KIT | Service Set: Topcap Assy, FLOAT NA 2, 40, Black |
|
234-04-551 |
(T) Spring Hardware: 2014 40 FLOAT Air Topcap, Al, Blue Ano |
| 234-04-552 | (T) Spring Hardware: 2014 40 FLOAT Air Topcap, Al, Black Ano |
FLOAT NA2 Neg Plate Subassemblies:
| Part | Description |
| 820-02-330-KIT | Service Set: Neg Plate Subassembly, FLOAT NA 2, 40 |
2021 40 GRIP2
- 820-18-337-KIT 2021 40 203 GRIP2 VVC HSR/LSR/HSC/LSC CART ASSY COMPLETE
- 2021 40 203 GRIP2 VVC HSR/LSR/HSC/LSC CART ASSY .
- 820-03-525-KIT 2019 Grip, All, Bearing Housing Assy
- 820-03-526-KIT 2019 GRIP2 REBOUND VALVING, LONG TRAVEL
- 820-03-654-KIT 2021 GRIP2 VVC MID VALVING
- 820-03-655-KIT 2021 GRIP2 VVC HSR/LSR REBOUND PISTON ASSY LONG TRAVEL
- 820-03-663-KIT 2021 40 203 GRIP2 VVC HSR/LSR DAMPER SHAFT ASSY
- 820-05-666-KIT 2021 40 GRIP2 VVC TPP DAMPER TOPCAP ASSY
- 820-03-677-KIT 2021 Grip2 VVC TTP E-Bike tune Compression Valving
- 820-03-660-KIT 2021 Grip2 VVC TTP Compression Valving
2021 40 GRIP
- 820-18-128-KIT 2019 40 27.5 & 29 FIT GRIP CART ASSY COMPLETE
- 2019 40 27.5 & 29 FIT GRIP CART ASSY .
- 820-03-330-KIT 2017 Grip Rebound Piston Assy
- 820-03-331-KIT Compression Valving, Grip Damper
- 820-03-457-KIT 2017 Grip Rebound Valving, Long Travel
- 820-03-525-KIT 2019 Grip, All, Bearing Housing Assy
- 820-03-588-KIT 2019 40 203 FIT GRIP DAMPER SHAFT ASSY
- 820-05-527-KIT 2019 40 FIT GRIP DAMPER TOPCAP ASSY
2021 40 FLOAT NA2
- 2021 40 FLOAT NA2 AIR SPRING ASSEMBLIES .
- 2021 40 FLOAT NA2 AIR SHAFT ASSEMBLIES .
- 820-02-330-KIT NEG PLATE SUBASSEMBLY FLOAT NA2 40
- 820-05-346-KIT TOPCAP ASSY FLOAT NA2 40 BLACK
NOTE: Parts without part numbers listed are not available individually and must be ordered as part of a complete assembly or "-KIT". Please order the "-KIT" part number listed at the bottom right corner of the drawing in which a desired individual part is shown.
