For the '18, v5 KICKR and CORE Smart Trainer.
KICKR XDR Freehub body allows you to use your KICKR with the new SRAM AXS drive train system. This kit includes a 1.8mm spacer for XD compatibility.
Compatibility: KICKR '18, v5, and KICKR CORE
Specifications for Sparepart XD/XDR Freehub Body For Kickr18 & Core
| Size | 9X10 |