Just over a decade ago, Bruno Forcella had the nutty idea to build a chopper with an electric drivetrain. The minimalistic hardtail evoked myriad reactions, ranging from intrigued to downright vexed. But Bruno was undeterred—so he's just built another electric chopper, with even more features than the last. Based in Switzerland, Bruno is an electrical engineer who builds bikes under the moniker Sine Cycles. Like most artisans, Bruno had a head full of ideas after building his first battery-...
