Ben Part's 'Zagato' Moto Guzzi

British photographer and Sideburn co-creater Ben Part has spent 14 years building this café racer. It's become the stuff of legend in Moto Guzzi circles, shooting to fame as the prop in that Davida helmet ad. Then Ben and a mate built a replica ('OB1') for Guzzi fan Ewan McGregor. So what is the bike, exactly? Somewhere under the battered aluminum is a 1000 SP with a Tonti frame—plus a custom swingarm bought from a RaceCo mechanic, which Part hooked up to a Hyper Pro mono shock. Other details include Discacciati brake rotors, a Triumph headlight and a 1932 Ford...