Zero says the line of electric motorcycles will also be available for test rides this spring; Demos can be scheduled at Zero Motorcycles’ website.“With 2014 fully underway we are excited to introduce new and existing motorcycle enthusiasts to the power of electric,” said Mike Cunningham, North American Director of Sales for Zero Motorcycles.“We have increased the performance, quality and refinement for 2014, while also offering more value. We are inviting all riders to visit their local dealer to experience the thrill of riding and learn about the advantages of owning a Zero.”Zero reports that the 2014 line is more powerful, more refined, and has more features. At the core is the most advanced Z-Force powertrain to date. The new Zero SR sets the performance standard with 24-percent more power and a stunning 106 ft-lbs of torque.The Zero S, Zero SR, and Zero DS can now cover 171 miles in the city (88 miles highway) with the optional Power Tank. Throughout the line, riders will find new bodywork, neatly integrated componentry, cleaner instrumentation, improved braking and better handling, Zero Motorcycle says.Owners may also customize the performance settings of their motorcycles with the Zero Motorcycles App, now available in English, German, French, Spanish and Dutch.For additional information, visit Zero Motorcycles’ website.