Upgrades

Upgrade your ROCK SHOX YARI, REVELATION, LYRIK, ZEB, FOX 36, FOX 38 and MARZOCCHI Z1.

Secus Fork Air Spring Upgrade Kit for Fox and RockShox forks. The Secus upgrade delivers the first and only air spring system to really come indistinguishably close to the linear spring rate of a coil fork for the entire first 2/3rds of its travel, with the advantage of a gentle end stroke progression to prevent bottoming without the “wall of force” harshness that excessively progressive springs create.

Plug and play insert for mountain bike air forks, powered by activated carbon.Better small bump compliance, increased mid-stroke support and end stroke absorption. Reduces fatigue, improves grip and comfort, and unlocks more travel. Experience a coil-like feel without the weight penalty and with the tunability of air. Heavy rider (90+kg) or on E-bike? Choose our Short model where available.