To be OFFERED AT AUCTION at RM’s London event, October 31, 2012. To view this car and others currently consigned to this auction, please visit the RM website at rmauctions.com/London . Chassis No. 820A Estimate: £250,000 - £300,000 8/45 hp, 980 cc OHV V-twin engine, Binks two jet twin float sports carburettor, three-speed counter shaft hand-change gearbox, single centre spring multi plate clutch, Harley-Davidson bottom link front forks, rigid frame, and cable operated front and rod operated rear brakes. Wheelbase: 59 in..