Cruise through the city streets. Or, hit the dirt. Push yourself up and ride until your muscles throb or your legs pop out. Most Zero FX riders find that they have exceeded their stamina limits long before their battery runs out. Continuous improvements to the Z-Force powertrain have combined the Zero FX with the highest power and energy density batteries in the industry. The Zero FX produces an impressive 91 miles of “city” on a single charge.