| MODEL | ZERO SR 2015 |
| Year | 2015 |
| Engine Type | Z-Force 75-7 electric motor, radial flux permanent magnet, brushless |
| Displacement / Capacity | — |
| Bore X Stroke | — |
| Compression Ratio | — |
| Cooling System | Passive air cooling |
| Max Power | 50 kW / 67 hp |
| Max Torque | 144 Nm / 106 ft-lb |
| Ignition | — |
| Induction | — |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | Clutchless direct drive (single speed) |
| Clutch | None (direct drive) |
| Final Drive | Poly Chain GT Carbon belt, 132T / 30T |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Showa 41 mm inverted cartridge forks, 159 mm / 6.25 in travel |
| Rear Suspension | Showa 40 mm piston piggy-back shock, 161 mm / 6.35 in travel |
| Front Brakes | Bosch Gen 9 ABS, single 320 x 5 mm disc |
| Rear Brakes | Bosch Gen 9 ABS, single 240 x 4.5 mm disc |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 807 mm / 31.8 in |
| Wheelbase | 1410 mm / 55.5 in |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | 188 kg / 414 lb (ZF 12.5); 208 kg / 458 lb (ZF 12.5 + Power Tank) |
| WHEEL SPECS | |
| Front Tyre | 110/70-17 Pirelli Diablo Rosso II |
| Rear Tyre | 140/70-17 Pirelli Diablo Rosso II |
| FUEL SYSTEM | |
| Fuel Capacity | Battery (electric): 12.5 kWh max (ZF 12.5); 15.3 kWh max (ZF 12.5 + Power Tank) |
| Fuel Consumption | — |
| Top Speed | 164 km/h / 102 mph (sustained 137 km/h / 85 mph) |
For 2015 the SR moved to Showa suspension and Bosch ABS and gained a 12.5 kWh pack. Its 67 hp motor makes it markedly quicker than the S. A Power Tank version raised range further at the cost of about 20 kg.
