Zero SR (2015)

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The 2015 Zero SR is a motorcycle equipped with a Type Z-Force (R) 75-7 passively air-cooled, high efficiency, radial flux permanent magnet, brushless motor that is controlled by a high efficiency, 660 amp, 3-phase brushless controller with regenerative deceleration. It has two power pack options: ZF 12.5 with a maximum capacity of 12.5 kWh and ZF 12.5 + Power tank with a maximum capacity of 15.3 kWh. The bike has a city range of 243 km on ZF 12.5 and 298 km on ZF 12.5 + Power tank, and a maximum combined range of 164-185 km on ZF 12.5 and 201-227 km on ZF 12.5 + Power tank. The Zero SR accelerates from 0 to 97 km/h in 3.3 seconds on ZF 12.5 and 3.9 seconds on ZF 12.5 + Power pack, with a top speed of 164 km/h and a sustained top speed of 137 km/h. The motorcycle has a clutchless direct drive transmission and a final drive of 132T / 30T, Poly Chain GT Carbon Belt. It also has a Showa suspension system with adjustable preload, compression, and rebound damping, Bosch Gen 9 ABS brakes, and Pirelli Diablo Rosso II tires. The bike has a carrying capacity of 144 kg, a curb weight of 188 kg on ZF 12.5, and 208 kg on ZF 12.5 + Power tank. Overall, the 2015 Zero SR is an efficient and fast motorcycle suitable for city and combined riding.

Technical specifications:

Make Model: Zero SR

Year: 2015


Motor: Type Z-Force (R) 75-7 passively air-cooled, high efficiency, radial flux permanent magnet, brushless motor. Controller High efficiency, 660 amp, 3-phase brushless controller with regenerative deceleration
Power Pack: Z-Force Li-Ion intelligent
Maximum capacity: ZF 12.5: 12.5 kWh ZF 12.5 + Power tank: 15.3 kWh
Nominal capacity: ZF 12.5: 11.0 kWh ZF 12.5 + Power tank: 13.5 kWh
Estimated pack life (to 80%): ZF 12.5: 546 000 km / 339 000 miles ZF 12.5 + Power tank: 668 000 km / 415 000 miles
Charger Type: 1.3 kW, integrated
Charge Time (standard): ZF 12.5: 8.6 hrs (95%: 8.1 hrs) ZF 12.5 + Power tank: 10.5 hrs (95%: 10.0 hrs)
With One Accessory Charger: ZF 12.5: 5.0 hrs ( 95%: 4.5 hrs) ZF 12.5 + Power tank: 6.0 hrs (95%: 5.5 hrs)
With Max Accessory Chargers: ZF 12.5: 2.4 hrs (95%: 1.9 hrs) ZF 12.5 + Power tank: 2.8 hrs (95%: 2.3 hrs)
City Range: ZF 12.5: 243 km / 151 miles ZF 12.5 + Power tank: 298 km / 185 miles
Maximum Combined Range: ZF 12.5: 164 – 185 km / 102 – 115 miles ZF 12.5 + Power tank: 201 – 227 km / 125 – 141 miles
Input Standard: 110V or 220V
Max Power: 50kW / 67 hp
Max Torque: 144 Nm / 14.7 kgf-m / 106 ft-lb
Transmission: Clutchless direct drive

Final Drive: 132T / 30T, Poly Chain GT Carbon Belt
Front Suspension: Showa 41 mm inverted cartridge forks, with adjustable preload, compression and rebound damping
Front Wheel Travel: 159 mm / 6.25 in
Rear Suspension: Showa 40 mm piston, piggy-back reservoir shock with adjustable spring preload, compression and rebound damping
Rear Wheel Travel: 161 mm / 6.35 in
Front Brakes: Bosch Gen 9 ABS, J-Juan asymmetric dual piston floating caliper, Single 320 x 5 mm disc
Rear Brakes: Bosch Gen 9 ABS, J-Juan single piston floating caliper, Single 240 x 4.5 mm disc
Front Wheel: 3.00 x 17
Rear Wheel: 3.50 x 17
Front Tyre: Pirelli Diablo Rosso II 110/70-17
Rear Tyre: Pirelli Diablo Rosso II 140/70-17
Rake: 24 degrees
Trail: 80 mm / 3.2 in
Wheelbase: 1410 mm / 55.5 in
Seat Height: 807 mm / 31.8 in
Curb Weight: ZF 12.5: 188 kg / 414 lbs ZF 12.5 + Power tank: 208 kg / 458 lbs
Carrying capacity: 144 kg / 317 lbs
Acceleration 0 – 97 km/h / 60 mph: ZF 12.5: 3.3 sec ZF 12.5 + Power pack: 3.9 sec
Top Speed: 164 km/h / 102 mph
Top Speed (sustained): 137 km/h / 85 mph

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