The invention relates to wheel for a vehicle comprising, inside the wheel: a housing having a first side for mounting to a vehicle, an electrical motor for driving movement of said vehicle, said electrical motor comprising a stator (50) rotation-fixedly connected to said housing and a rotor rotationally coupled to said stator and having an axis of rotation, said stator being arranged within said rotor, and a brake drum, forming an integral piece of equipment with the rotor. The invention further relates to a vehicle provided with such a wheel and a method and an adapter plate for mounting such a wheel to a vehicle, and to such a wheel having a rim system in which the rim forms an integral part with said rotor and with a brake drum of the brake system, i.e. forming one integral price of equipment.