1.Are your wheels wind tunnel tested?

Yes, because the wind tunnel testing plays an important integral part in the design and 

development of wheels.

2.Shipping method?

Shipping by EMS or DHL for general order, bulk order suggest ship by Ocean Freight,but it 
need long time for ship.

3. How much spoke tension should I use?

Although the maximum spoke tension of our rims is 150kgf, we do not recommend to lace your 
wheelset so intense. Generally, 3 of charging tension are involved in wheel building. 
Riding comfortability and performance are supposed to be considered while choosing charging 
tension.

A. Tension for "transportation riders" (Comfortability)

80-90kgf are ideal for regular transportation riders or exercise on a regular basis.

B. Tension for "enthusiast riders" (Balance)

100-110kgf are good for people with enjoyful and training purpose.

C. Tension for "professional riders" (Performance)

120-130kgf are charged for riders who are expertized in riding or competition.