Cheap Chinese Cromotors?

[Allex]

http://www.uumotor.com/3kw-5kw-electric-bike-hub-motor-and-conversion-kit.html
5kw version motor(USD390) weight is 12.5kg.

 

[cal3thousand]

Available on Alibaba too:

http://www.alibaba.com/product-detail/good-quality-good-quality-3000w-electric_1620236925.html

 

[Wishes]

Available on Alibaba too:

http://www.alibaba.com/product-detail/good-quality-good-quality-3000w-electric_1620236925.html

That looks like the 5kw version of the big boy from cnebikes.

Wishes

 

[bataanjr]

More Cheap
http://www.aliexpress.com/store/637802 ($320.00 5W 50M)

 

[friendly1uk]

320 seems good. You pay two and a half for a 500cst. Although I have always thought the price of the cst rather inflated.

10kg though. It's just not a bicycle with 10kg wheels.

 

[neptronix]

Keep in mind, the cnebikes hub turned out to have a 42mm stator and magnets with big gaps in them.

Buyer beware.

 

[neptronix]

http://endless-sphere.com/forums/viewtopic.php?f=2&t=53119&start=100

Reference to this thread.