.jpg) Swinging arm BSA Golden Flash | |
| Manufacturer | BSA |
|---|---|
| Production | 1950 - 1963 |
| Assembly | Small Heath, Birmingham, UK |
| Predecessor | None |
| Successor | BSA A65 |
| Engine | 646 cc (39.4 cu in) air cooled twin |
| Bore / stroke | 70 mm × 84 mm (2.8 in × 3.3 in)[1] |
| Ignition type | Magneto |
| Transmission | 4 speed chain drive |
| Frame type | Rigid Plunger Swinging Arm |
| Suspension | Telescopic fork (front) |
| Brakes | Drum brakes |
The BSA A10 series was a range of 646 cc (39.4 cu in) air-cooled parallel twin motorcycles designed by Bert Hopwood and produced by Birmingham Small Arms Company at Small Heath, Birmingham from 1950 to 1963. The series was succeeded by the A65 unit construction models.