Freehub microspline 12 speed
Shimano Microspline freehub for Direct Drive trainers (Drivo and Direto's family. Suito. Turno. Kura. Turbo Roteo and Volano)

Features:

• A high quality Freehub body for use with the Elite direct fixing trainers
• Allows the use of Shimano 12-speed MICRO SPLINE MTB cassettes
• Not compatible with the TurboMuin trainers