DIRETO XR-T is the best trainer in the entire Elite range without standard sprocket cassette, precise and compatible with the most varied bicycle models.Compatible with SHIMANO, 9/10/11V:- To be compatible with Campagnolo, a specific freewheel body is required.- To be compatible with SRAM XD/XDR a specific freewheel body is required.- To be compatible with Shimano®/ 12 speed micro Spline a specific freewheel body is required.- Max power: 1100 Watt (20km/h) - 2300 Watt (40km/h).- Cassette not incluided