36V 48V500W Wheel Motor Kit Electric Bicycle Conversion Kit Hub Motor 20 26 27.5 28 inch 700c Bicicleta Cycling E bike Front|Electric Bicycle Motor| - AliExpress
Bicicleta Electrica City (E-Bike), Roti 28 Inch, Motor 250W, Autonomie Max 60 Km, Carpat CSC10/10E Negru/Alb
Bicicleta De Oras Asistata Electric cu Roti de 26", Motor 250W MXUS, autonomie 60 km, echipare Shimano, Frane V-Brake, 7 Viteze, Gri/alb, City Bike Carpat E-Bike - eMAG.ro
Motor roata spate 26" 36V/48V (750W max)
12 inch Motor Wheel Kit Bicicleta Electrica Hub Motor 36V48V250W Electric Bicycle Motor Drive Wheel Ebike Motor High Speed - AliExpress
The UrbanX front wheel adds electric power to most bikes at a reasonable cost and weight - Bikerumor