- Genuine Fox air topcap for air spring side.
- Splined, compatible with sram/shimano topcap/cassette tools
- Compatible with volume spacers and back compatible to 2016 40's onwards
- Volume Spacers SOLD Individually, and separately
- Tune your spring rate easily by reducing volume.
- Air Valve Cap sold separately.
- Fox 820-05-827-kit
Launch DateSeptember 15, 2026
Days In Market34
VendorFox
Variants1