Zero Motorcycles Inc. is an American manufacturer of electric motorcycles. Formerly called Electricross, it was started in 2006 by Neal Saiki, a former NASA engineer, in Santa Cruz, California. The company is now located nearby in Scotts Valley.
Zero makes a line of 100% electric motorcycles including the Zero S (street), SR (street racing), and FXS (supermoto), and the Zero DS (dual-sport) DSR (dual-sport racing), and FX (motocross).
The Zero S began shipping in volume in 2010, the first model year to include the Agni Motor, at which time the DS, a dual-sport model based on the S chassis became available. The XU, a smaller street bike with a removable battery, based on the same chassis as the Zero dirtbikes was produced from 2011 to 2013.