If returning a Tacx® NEO Smart trainer or Tacx® NEO 2 Smart trainer for exchange, the replacement Tacx NEO 2 (Type 2) trainer you will receive includes the axle end caps to fit both traditional 135mm quick release frames and 142 or 148mm thru-axle frames. It will also include a freehub body compatible with Shimano and SRAM 8, 9, 10 or 11 speed cassettes.
However, the following parts are not included with the replacement and should be kept for use with the NEO 2 (Type 2) Smart trainer:
Quick-release skewer or thru-axle (depending on current axle type)
Cassette
Power cable
Power adapter
Front wheel block