DIRETO XR / XR-T - Interactive Direct Drive. - IOTS Power Meter with accuracy 1.5%. - Increased max slope simulation 22%. - Includes 1 month Zwift and block. - Fully assembled «Plug & Play». - My E Training Mobile & Desktop 12 months free. - Compatible hubs QR 130-135x5mm and Thru Axle 142x12mm.