This freehub comes in two varieties: one supports 2014 and 2016 Edition with Campagnolo 9, 10, and 11 speed cassettes, while the other supports '18, '20 Edition KICKR and KICKR CORE with most* Campagnolo 10, 11, and 12 speed cassettes.
Note: Installation is required! For installation instructions, choose your KICKR version below:
'18, '20 Edition KICKR or KICKR CORE
2014 or 2016 Edition KICKR