Aluminum monocoque frame for mechanical strength under heavy loads. Zaïon V Airdrive rotor reduces inertia. AIRDRIVE DESIGN technology. ATD-L brake with carbon discs in size 5000. 6+1 bearings including 1 CRBB. LC-ABS Long Cast aluminum spool. Aluminium unscrewable crank. T-type handle on standard versions and round aluminum handle on ARK versions.