Vorsprung Secus Fork Air Spring Upgrade Kit - Fox A1 NoAusPost 5-inch gauge and is equipped

5-inch gauge and is equipped with the ABS1 Pro chuck

so you can "upgrade" your SLX or XT 11 speed derailleur by adding Premium Grade XTR wheels if you like

Weight: Approx 100 grams

Dual Compound - 1220g

the valve stem is securely supported so there's no chance of bending

Vorsprung Secus Fork Air Spring Upgrade Kit - Fox A1 NoAusPost 5-inch gauge and is equippedFor 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