Sram XD and XDR freehub for Direct Drive trainers (Drivo and Direto's family, Suito, Turno, Kura, Turbo Roteo and Volano)

Sram XD and XDR freehub for Direct Drive trainers (Drivo and Direto's family, Suito, Turno, Kura, Turbo Roteo and Volano)

Compatible with 12 speed cassette.