The mavic cxr ultimate wheels feature an outstanding full carbon rim profile of 60mm the rims feature their cx01 wheel technology which delivers an integrated wheel tyre system that smooths air flow around the tyre and wheel and improves laminar air flow at every yaw angle rim profile the perfect choice if wanting an aerodynamic advantage when racing road race criterium tt or tri event against your competitors two versions are available suiting your choice of tyre either tubular or clin