Vorsprung Secus Fork Air Spring Upgrade Kit - Rockshox A1 Virtual Parent Available in both 27

Available in both 27

Unifying Bottom Bracket) technology features improved seals and a uniformed approach to bottom bracket fitment

You need control

Propanediol

You will need Wolf Tooth's 6mm bolts which are optimized for single ring mounting

Vorsprung Secus Fork Air Spring Upgrade Kit - Rockshox A1 Virtual Parent Available in both 27For the first time, we created an air spring with a truly better spring rate, everywhere in the travel, than a coil. 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