Rad Power Bikes RadRunner Max
Highest-capacity RadRunner; second-battery option for 125+ mi.
Specs
| Class | Class 1/2/3 |
|---|---|
| Motor | Rear hub, 750W |
| Torque | 90 Nm |
| Battery | 672 Wh |
| Claimed range | up to 61 mi |
| Realistic range (our estimate) | 28–38 mi |
| Weight | 82 lb |
| Max load (bike + rider + cargo) | 420 lb |
| Top assisted speed | 28 mph |
| Throttle | Yes |
| Tires | 20x3.5 |
| Suspension | Front |
| Price | $2,299 |
Source: Rad Power Bikes. Checked 2026-09-25.
How far will it really go?
Rad Power Bikes claims up to 61 miles. Our estimates:
| Riding style | Range |
|---|---|
| Light rider, flat, low assist | 62–84 mi |
| Typical rider, rolling hills, medium | 28–38 mi |
| Heavier rider, hills, high assist | 15–21 mi |
| Mostly throttle | 16–22 mi |
Where you can ride it
Class 1/2/3. As a Class 1 bike (pedal assist only, 20 mph) it is allowed on the widest range of bike paths and trails. Class 3 mode (28 mph assist) is usually limited to roads and bike lanes. Classes explained →