At the heart of the Sonic E-Power chassis, the new Bosch BES3 drivetrain can fully develop its sporty performance. Together with the energy of the large 750 Wh PowerTube battery, the Sonic Evo TR 1 750 is optimally equipped for long and demanding rides and tours off-road. The full-suspension chassis with 120 mm travel ensures optimum traction and plenty of trail flow.