Are Stealth Bomber bikes illegal?

Are Stealth Bomber bikes illegal?

The response is typically no with the public roads. Their maximum speeds (usually over 50 mph (80 km/h) are well above legal e-bike speed limits of 25 km/h in the EU and 20 mph in the U. S. Due to this fact, stealth bomber electric bikes are generally considered as off-road/recreational vehicles. W STEALTH BOMBER E-BIKE 50mile/range , Max speed 50/mph.