Most e-bikes aren't built with a bigger rider in mind. Spec sheets across the mainstream market tend to cap out around 250 to 275 lbs of total payload, rider included, and that number isn't just conservative marketing. Frames, spokes, and motors are genuinely engineered around it. Push past it and the effects show up gradually: more flex in the frame, faster brake pad wear, spokes and rims under more stress than they were designed for.
This category is for the e-bikes built with real headroom above that. 300 lbs of rated capacity is where the market itself tends to draw the line between "standard" and "heavy-duty," and the bikes that clear it usually get there through actual engineering changes, not just an optimistic number on a spec sheet: reinforced frames, thicker spokes, stronger rims, and often a beefier motor to keep performance from sagging under the extra weight.
Worth being honest about what that 300 lb figure actually means, too. It's total payload capacity, not just rider weight. A 260 lb rider with a backpack, a lock, and a rack full of groceries can eat through the margin faster than expected, so if you're riding right at the edge, it's worth looking for a bike with more cushion above your actual weight rather than one that's rated exactly for it.
The Rad Power Bikes RadWagon 5 is a redesigned longtail cargo e-bike built for family utility and enhanced safety. It features a 750W geared hub motor delivering 65 Nm of torque, powered by a 720Wh Safe Shield battery that is UL-certified for thermal resistance. This model is equipped with Gemma two-piston hydraulic disc brakes for all-weather stopping power, a cadence sensor with five assist levels, and custom 22" x 3" tires that provide a low center of gravity. With a 350 lb total payload capacity and a versatile integrated rear rack, it is a capable car-replacement option featuring modern tech like passcode protection and intelligent lighting.