Cheap And Discounts 48V/60V/64V/72V Electric Bicycle Motor Controller 1000W-1500W Dual Mode Sinusoid 12 Tube Speed E-bike Parts Wholesale. Buy Directly From Merchant XMSJ Electronics Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.