Three wheels, fat tires, off-road ready. The Addmotor Grandtan M-340 is a do-it-all fat-tire electric trike that turns rough ground into an easy, stable ride.

Key specs

  • 750W rear motor (1,400W peak, 90 Nm), Class 2, 20 mph
  • 48V 20Ah Samsung 50E battery (960Wh), UL 2271, IPX6
  • Up to 85 miles per charge (PAS 1)
  • 24" front / 20" rear fat tires
  • Tektro mechanical disc brakes on all wheels, parking brake

The wide fat-tire footprint and three-wheel stance make the M-340 a favorite for gravel roads, beaches, and uneven trails where two-wheelers feel sketchy. Standard, Plus, and Custom editions let you dial in the build.

Why riders pick it

  • Confident off-road fat-tire stability
  • 85-mile range with weather-sealed IPX6 battery
  • Brakes on every wheel
  • Five colors plus build options

Fast U.S. Shipping

Exceptional Service

At Redtail eBikes, we go beyond just selling ebikes. We're dedicated to offering the best customer service and support to ensure you're fully satisfied. Your happiness is our priority, and we're here to make your experience as smooth as your ride.