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. Oakley collaborated with Troy Less Designs to create a custom paint job, normally featured on racing helmets, for these frames. The Crankshaft collection also feature High Definition Optics, which provide the highest desgree of visual clarity and fidelity. Frame: Polished Black. Lens: Black Iridium. Lens Size: 60 mm. Bridge: 19 mm mm.Temple: 132 mm.