Freehub is compatible with Campagnolo 9/10/11/12 speed cassettes.
Compatible with all Elite direct drive trainers (Direto XR, Drivo II, Direto X, Suito, Turno, Direto, Drivo, Kura, Zumo)
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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.