Yep - the legislation refers to the rated power of the motor not the actual power. If you restrict it to 15.5 mph you may get away with a police check, but they would legally have the right to seize it
That site has an interesting 48V 250W Geared Hub motor with a 48V 17A controller - that is going to be very powerful - wonder if it has 250W stamped on it and what the winding speed of the motor is
That site has an interesting 48V 250W Geared Hub motor with a 48V 17A controller - that is going to be very powerful - wonder if it has 250W stamped on it and what the winding speed of the motor is

48V 250W Electric Bike Conversion Kit - Rear Hub Motor
Transform your standard bike into a high-performance e-bike with our top-rated electric bike conversion kits. Designed for easy installation, these kits include a powerful electric bike motor that ensures faster commutes and extended rides. Perfect for all cyclists, our electric bicycle...
greenlance.co.uk