PMB Suspension
Vorsprung Secus
Vorsprung Secus
Regular price
CHF 260.00
Regular price
Sale price
CHF 260.00
Unit price
per
Tax included.
Couldn't load pickup availability
Air spring upgrade for Fox and Rockshox:
- Increase the size of the negative chamber
- Remove harshness
- Increase Control
The only air spring with truly better-than-coil spring curve throughout the entire travel.





Secus Key Features:
-
- Superior small bump compliance from enlarged negative chamber
- Experience enhanced support and predictability with our proprietary Midstroke Support Valve
- Coil-like plushness and predictability, with air spring bottomlessness
- Enables full use of travel in both directions
-
- Enhances lubrication with increased lower leg oil volume
- Lightweight at just 130g
- Effortless setup -add air, bounce on it, press MSV charge button, ride
- Compatible with OEM volume spacers
- More consistent spring rate
- Transfer between compatible forks with just a footstud change

12 Month Crash Replacement Guarantee
Vorsprung will replace any parts of your Secus damaged in the event of a crash or other accident
for the first 12 months of ownership - no questions asked.
Secus Compatibility
Fork | Secus Variant | Fitment conditions |
Fox 34 2018+ | Fox A1 | Except if the bottom of the lower legs is recessed; 34 Step-Cast are not compatible |
Fox 36 2018+ | Fox A1 | |
Fox 38 2020+ | Fox A2 | |
Fox 40 2018+ | Fox A3 | |
Marzocchi Z1 2019+ | Fox A1 | |
Marzocchi Z2 2019+ | Fox A1 | |
Marzocchi 58 2019+ | Fox A3 | |
Rockshox Lyrik/Yari 2016-2020 | Rockshox A3 +BIP | Require B1 or C1 shaft + BIP |
Rockshox Lyrik/Yari 2023 | Rockshox A3 | |
Pike Solo Air (2014-2017) | Rockshox A3 / Rockshox A3 +BIP | Require B1 or C1 shaft + BIP |
Pike 2018-2022 | Rockshox A3 / Rockshox A3 +BIP | Require B1 or C1 shaft + BIP |
Pike 2023+ & Pike Flight Attendant 2022+ | Rockshox A3 +BIP | |
Revelation RC 35mm 2018-2022 | Rockshox A3 / Rockshox A3 +BIP | Require B1 or C1 shaft + BIP |
Rockshox Zeb | Rockshox A3 | |
Rockshox Domain 2022+ | Rockshox A3 | |
Rockshox Boxxer 2019-2023 | Rockshox A3 |
If your fork is not listed, then it is not compatible (Rockshox Dual-Position Air forks, 32mm Step-Cast..).