Mavic freehub bodys needs to be compatible with both the freewheel mechanism of your wheel and the cassette that matches your bike's drivetrain. Fits Mavic ID360 hubs. For Sram XD Cassettes. Axle: 12x148.
Best Price: £24.99 from Merlin Cycles
Mavic ID360 Sram XD Freehub Body – Black / Sram XD Drive Reviews