Comparison of Zero S Streetfighter 2015 and Zero SR ZF 11.4 [S]ave
| Attribute |  Zero S Streetfighter 2015 × |  Zero SR ZF 11.4 × |
|---|---|---|
| General | ||
| Production from (year) | 2015 | 2014 |
| Make | Zero | Zero |
| Model | Zero S Streetfighter | Zero SR ZF 11.4 |
| Category | Naked bike | Sport |
| Engine and transmission | ||
| Engine type | Electric | Electric |
| Engine details | Radial flux permanent magnet, brushless motor | Radial flux, permanent high-temp magnet, brushless motor |
| Power (kw) | 39.4 | 48.9 |
| Cooling system | Air | Air |
| Transmission type,final drive | Belt | Belt |
| Torque (Nm) | 92 | 144 |
| Gearbox | Automatic | - |
| Driveline | 132T / 28T, Poly Chain® GT® Carbon™ belt | 132T / 28T, Poly Chain® GT® Carbon™ belt |
| Clutch | Clutchless direct drive | Clutchless direct drive |
| Chassis | ||
| Front suspension | Showa 41 mm inverted cartridge forks, with adjustable spring preload, compression and rebound damping | 43 mm inverted, aluminum slider forks with adjustable compression and rebound damping |
| Rear suspension | Showa 40 mm piston, piggy-back reservoir shock with adjustable spring preload, compression and rebound damping | Piggy-back reservoir shock with adjustable spring preload, compression and rebound damping |
| Front brakes | Single disc. ABS. Floating discs. Two-piston calipers. | Single disc. Floating discs. Two-piston calipers. |
| Rear brakes | Single disc. ABS. Single-piston caliper. | Single disc. Single-piston caliper. |
| Diameter (mm) | 240 | 240 |
| Front tyre | 110/70-17 | 110/70-17 |
| Rear tyre | 140/70-17 | 140/70-17 |
| Trail (mm) | 81 | 81 |
| Rake (fork angle) (degree) | 24 | 24 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,410 | 1,410 |
| Kerb weight (kg) | 171 | 162 |
| Seat height (mm) | 808 | 808 |
| Performance | ||
| Top speed (km/h) | 153 | 164 |
| Acceleration 0-100 km/h (s) | 4.8 | 3.3 |
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