Oakley's Crankshaft is a result from the melding of the Gascan and Fuel Cell collections, taking the best features from both styles to make a unique collection that makes a statement. The Crankshaft collection also feature High Definition Optics, which provide the highest desgree of visual clarity and fidelity. Frame: Matte Black. Lens: Black Iridium Polarized. Lens Size: 60 mm. Bridge: 19 mm mm.Temple: 132 mm.