Delivery-

Shipping by Air CC- The way by plane(customer no need to pay for customs and taxes). The tracking number works only when goods leave the customs in the destination country. Seller will not provide paid tax and customs fee receipts. 

Shipping by Air- The way by plane(customer need to pay for customs and taxes). The tracking number works on the all route. They are usually used when needed to receive paid taxes and customs fee receipts. 

Shipping by Sea- The way by sea or train(customer no need to pay for customs and taxes). It is cheaper than by plane, but delivery time is 40-70 days. Usually for batteries and bulk orders(such as complete e-bikes).  The tracking number works only when goods leave the customs in the destination country. Seller will not provide paid tax and customs fee receipts. 

Free shipping- The way by sea or train(customer no need to pay for customs and taxes). It is cheaper than by plane, but delivery time is 40-70 days. Usually for batteries and bulk orders(such as complete e-bikes). The tracking number works only when goods leave the customs in the destination country. Seller will not provide paid tax and customs fee receipts. 

QS 205 V3 4000 motor is a good solution for 5kW continuous e-bike with top speed 80-90kph.

It is also well-known as Quanshun V3 or Cromotor.

Rear hub-motor QS 205 V3 is a perfect balanced solution for the high powered enduro e-bike with top speed 75-120kph.

Disc brake mount ISO 6 x 44mm

Freewheel mount 35mm thread.

Rear dropout size 155mm  X 16 Х 10мм.

Recommended rim 17-19 inch moto.

Windings - 3,5T or 5T ( choose 3,5T only if your battery and controller can deliver more than 100A continuous current)

Stator - Aluminum alloy

Magnets - 46 pcs 50mm. 

Phase cables AWG8 - 10mm2.

Holes for the spokes - 36pcs 4,2mm

Axle 16х10mm

Temp sensor (KTY83/122) 

Recommended controller - 72-96V 50-100A

Rated power 4000W, Max power 10000W

Motor type - BLDC 205/50 direct drive hub-motor