Produced from December 1949 until 1956, approximately 8300 manufactured.

Distinctive features

• Available in Black or polychromatic grey (some were supplied in standard BSA colours, especially to Canada and USA)
• Conventional BSA type front fork suspension
• Normal 'Lucas MC45L' dynamo
• Normal control levelers
• Spring mounted three point attachment seat
• Normal sized rear light
• Blue up to about 1952 and then gold
• Aluminum cast exhaust with art-deco styling
• Flat pressed steel carburettor cover
• Horn mounted on the left hand side of the frame behind the rear brake peddle
• Conventional tyres
• Side stand
• Normal main stand
• Flat petrol cap
• Plain fork shrouds