Photo: Zero SR electric motorcycle

The Zero SR is Zero Motorcycle’s top of the line electric bike with a maximum range of 185 miles (with optional Power Tank), a top speed of 102 mph and a starting price of $17,345. (Myung J. Chun / Los Angeles Times)

March 6, 2015 1:51 PM PT

Zero, the California-made electric motorcycle, has finally come of age. With increases in range and improvements in brakes, suspension and tires, the company has eliminated any reason not to go electric.

The Zero SR is powered by a clutchless direct drive electric motor with a belt final drive. It has the equivalent of 67 horsepower. (Myung J. Chun / Los Angeles Times)

The Zero SR is powered by a clutch-less direct drive electric motor with a belt final drive. (Myung J. Chun / Los Angeles Times)

The Zero SR is Zero Motorcycle’s top of the line electric bike with a range of 151 miles of city riding. That range can be extended to 185 miles of city riding with the optional Power Tank. (Myung J. Chun / Los Angeles Times)

The Zero SR is Zero Motorcycle’s top of the line electric bike. (Myung J. Chun / Los Angeles Times)

The electric Zero SR is fitted with Showa forks and shock and J. Juan brake calipers. It rides on Pirelli Diablo Rosso II tires. (Myung J. Chun / Los Angeles Times)

Zero SR is Zero Motorcycle’s top of the line electric bike. It joins three other bikes in the company’s lineup -- the S, DS and FX. The SR has a starting price of $17,345. (Myung J. Chun / Los Angeles Times)