Vorsprung Secus Fork Air Spring Upgrade Kit - Fox A2 Images Uploaded - Ready for Review reliable dropper posts to bikes

reliable dropper posts to bikes with skinnier tubes

Clamps to standard seat posts at your chosen height (2cm on post required)

Hook and loop forefoot closure to help lock your foot in place

Pulse Flash

good quality and back pocket friendly

Vorsprung Secus Fork Air Spring Upgrade Kit - Fox A2 Images Uploaded - Ready for Review reliable dropper posts to bikesFor 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