DIY friction drive scooter kits on aliexpress

came across these kits,

scroll all the way down to see the pics,

http://www.aliexpress.com/item/Electric-Scooter-DIY-Motor-Kit-Electric-Bicycle-Brushless-Motor-1500W-Kickscooter-Town-7-Drive-System-Lightest/32407940116.html

http://www.aliexpress.com/item/DIY-Electric-Scooter-Brushless-Motor-Kit-1500W-Electric-Bike-Motor-Electric-Kickscooter-High-Speed-Motor-E/32399350977.html


edit,
penny kit
http://www.aliexpress.com/store/product/Penny-Style-Skateboard-Conversion-Kit-Electric-Penny-Board-Motor-Kit-E-board-Rear-Truck-and-Front/632724_32390360092.html

Interesting kit, though looks like not for sale anymore.