| MODEL | BSA A10 SUPER FLASH 1953 - 1954 |
| Year | 1953 - 1954 |
| Engine Type | Parallel twin, four-stroke |
| Displacement / Capacity | 646 cc |
| Bore X Stroke | 70 mm x 84 mm |
| Compression Ratio | — |
| Cooling System | — |
| Max Power | 40 bhp |
| Max Torque | — |
| Ignition | Magneto |
| Induction | Amal TT carburettor, 1 1/16 in |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 4-speed, chain drive |
| Clutch | — |
| Final Drive | — |
| CHASSIS SPECS | |
| Frame | Plunger rear suspension; some 1954 machines had a swinging arm |
| Front Suspension | — |
| Rear Suspension | — |
| Front Brakes | — |
| Rear Brakes | — |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | — |
| Rear Tyre | — |
| FUEL SYSTEM | |
| Fuel Capacity | 2.5 gal (Gold Star tank) |
| Fuel Consumption | — |
| Top Speed | — |
A limited special that put a tuned engine from the Golden Flash into a sportier package, with an Amal TT carburettor and a race cam. It was shipped mainly for the US market and is regarded as the forerunner of the Road Rocket.
