| MODEL | ARIEL LB 1929 |
| Year | 1929 |
| Engine Type | Single cylinder, four-stroke, sidevalve |
| Displacement / Capacity | 250 cc / 15.25 cu in |
| Bore X Stroke | — |
| Compression Ratio | — |
| Cooling System | — |
| Max Power | — |
| Max Torque | — |
| Ignition | — |
| Induction | Carburettor |
| Start System | Electric (as listed) |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | — |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | — |
| Rear Suspension | — |
| Front Brakes | Expanding (drum) brake |
| Rear Brakes | Expanding (drum) brake |
| 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 | — |
| Fuel Consumption | — |
| Top Speed | — |
A small 250 cc sidevalve single from Ariel's late-1920s range, finished in black with drum brakes and chain drive. A simple, economical machine aimed at everyday riders.
