Check what size rotor you want to install

torque the fastener to 2Nm using a torque wrench

Moisturises skin

To determine which length shock you need

self-adhesive patches x 6

Vorsprung Secus Fox 40 Piston Removal Tool Virtual Parent Check what size rotor youThe Vorsprung Secus Footstud Assemblies allow you to adapt an existing Secus Fork Air Spring Upgrade to a different fork. The kits provide all the necessary fitment parts for the specified fork. Check the compatibility chart in the images to see which kit fits your fork. Fox 40 Piston The Fox 40 piston comes in the Fox A3 kit but if you're moving your Secus from a 2018+ Fox 32,34 or 36 to a 2018+ Fox 40 you only really need this piston. Installation