BSA introduced a new range of singles in 1937 of which the M21 was one. It featured a lazy 596cc sidevalve motor with huge amounts of torque on tap and was squarely aimed at the sidecar market. Along with its close relative the 500cc M20 it was an immediate success, and continued in production through the war years and into the fifties, by which time the 'girders' had been replaced with telescopic forks.
Arguments still arise between Norton and BSA men as to who made the best big 'sidevalves,' both marques offer relaxed motorcycling par excellence, and today's M21, which is described as in good condition throughout, must be a serious consideration for anyone looking for that lazy long legged thoroughbred
All successful bids must be paid in full by midday the day after the auction at the latest.
You can collect your new pride and joy from our venue until 1pm the day following the sale or our partners are on hand to help arrange safe transportation:
If so, contact one of our friendly specialists for your free valuation by completing the form below and someone will get back to you as quickly as possible.
If you prefer to speak to humans, don't hesitate to call our office on +44 (0)1925 210035