Fox 34 2019 NA2 EVOL Air Shaft Assembly
Suitable for all Fox 34 forks using the NA2 Float Air Spring
Not compatible with STEP CAST forks.
27.5" - Max Travel 160mm
29" - Max Travel 150mm
| Year | Float Air Spring | Talas Air Spring |
| 2021 Fox 34 NA2 |
✔ |
✖ |
| 2020 Fox 34 NA2 |
✔ |
✖ |
| 2019 Fox 34 NA2 |
✔ |
✖ |
| 2018 Fox 34 NA2 |
✔ |
✖ |
| 2017 Fox 34 NA2 |
✔ |
✖ |
| 2016 Fox 34 NA2 |
✔ |
✖ |
| 2015 Fox 34 |
✖ |
✖ |
Shaft Assemblies can be used to increase or reduce the forks travel for both 27.5" and 29" wheel models. *Also suitable for Fox 36 Speed-Ped-Elec forks
Not compatible with STEP CAST forks.
When adjusting your forks travel you are also adjusting the ratio between;
Air Chamber Volume:Wheel Travel
For example, if you reduce your wheel travel travel you need to increase the number of Volume spacers to maintain the same level of progression.
To purchase volume spacers click here
Lower Leg Service
To fit the air shaft the lowers will need removing, why not carry out a lower leg service? Lower leg service kits HERE