Extra shipping cost or other cost. We only can send batteries by TNT recently. So sometimes you maybe need to pay the extra shipping cost. You can use this link to pay the extra shipping cost. And sometimes, you may need to add some articles. You also can use this link to pay the additional cost.
Q100H 36V350W Front Driving V-brake, rim-brake, Disc-Brake compatible E-Bike Hub Motor. Its reduction ratio is 12.6. The Q100H is more powerful than Q100. The torque of Q100H increased by 30 percent. The size of Q100H is exactly the same size as Q100. The most suitable controller is S06P or S06S.