Answer: The best heavy-duty eBikes for 300 lb riders in 2025 combine reinforced frames (steel/aluminum), high-torque motors (750W+), large-capacity batteries (48V/15Ah+), and wide tires (4″+) for stability. Top models include the Bakcou Mule, Rambo Rebel, QuietKat Ranger, Biktrix Juggernaut Ultra, …