Bike Metal Rear Wheel Hub, Universal Bike Bicycle 36 Holes Rear Wheel Hub Cassette Replacement : Amazon.co.uk: Sports & Outdoors
MorNon 48v 1500w Bicycle Conversion Kit Electric Bike Conversion Kit with E- bike LCD Display 26 Inches Rear Electric Wheel Hub Assembly Motor Kit : Amazon.co.uk: Sports & Outdoors
THERES 36W 350W 500W Bicycle Conversion Kit, Rear Wheel Electric Bike Conversion Kit with E-bike LCD Display 26 Inches Rear Electric Wheel Hub Assembly Motor Kit,36V/500W-700c : Amazon.co.uk: Sports & Outdoors
48V 250W Rear Wheel Hub Assembly Motor Kit,Speed 25~28km/h,Electric Bike Conversion Kit for 26",27.5",28",29",700C Electric Bike Kit with LCD Display,29" : Amazon.co.uk: Sports & Outdoors