
| MODEL | ARIEL ACE 2021 |
| Year | 2021 |
| Engine Type | V4, four-stroke, SOHC (Honda V4 engine) |
| Displacement / Capacity | 1237 cc / 75.48 cu in |
| Bore X Stroke | 81.0 x 60.0 mm / 3.2 x 2.4 in |
| Compression Ratio | — |
| Cooling System | Liquid |
| Max Power | 126.3 kW / 173 hp @ 10000 rpm |
| Max Torque | 131 Nm / 96.6 ft-lbs @ 8750 rpm |
| Ignition | — |
| Induction | Fuel injection |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Anodised machined and welded aluminium perimeter frame |
| Front Suspension | Showa 43 mm adjustable cartridge telescopic forks |
| Rear Suspension | Pro-link single-sided swingarm, Showa adjustable damper |
| Front Brakes | Double disc, 320 mm / 12.6 in, ABS, 6-piston radial calipers |
| Rear Brakes | Single disc, 276 mm / 10.9 in, ABS, 2-piston sliding caliper |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 745 mm / 29.3 in |
| Wheelbase | 1541 mm / 60.7 in |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 120/70-ZR17 |
| Rear Tyre | 190/50-ZR17 |
| FUEL SYSTEM | |
| Fuel Capacity | 12 Litres / 3.17 US gal |
| Fuel Consumption | — |
| Top Speed | 265 km/h / 164.7 mph |
The Ace is Ariel's hand-built sports bike, pairing the Honda 1237 cc V4 with an aluminium perimeter frame and single-sided swingarm. Production was in small numbers with a choice of custom colours. Carbon parts and a dual-clutch gearbox are listed as options.