Instructions

The Light Bee X is lighter, cheaper, and easier to throw around. The Ultra Bee is bigger, faster, and goes farther. Here’s what the specs actually mean and which one fits you.

A conversion kit usually costs less than a new e-bike, but not always. Here are real prices for five example builds, the costs people forget, and when buying new makes more sense.

Converting a regular bike to electric is legal in all 50 states, but wattage, speed, and class rules decide whether your build is treated as a bicycle or a moped. Here's what to check first.