Vorsprung Secus Fox 40 Piston Removal Tool Heavy/Bulky we recommend reducing the tension

we recommend reducing the tension until you get a feel on the first few rides

With feedback from Aaron Gwin

With a large 14-tooth X-Sync lower pulley it is matched perfectly for those whopping 11-50T and 10-50T cassettes

This is that tool

Vorsprung Secus Fox 40 Piston Removal Tool Heavy/Bulky we recommend reducing the tensionThe 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