16 pairs(32PCS Curved Mangets). Cross Section of Phase wire.70 degree, Peak 120 degree. The item "Niubo 18000with72v Electric Bike Ebike Fat Regular Tire Conversion Kit MOTOR ONLY" is in sale since Wednesday, July 29, 2020. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Electric Bicycle Components". The seller is "productsinternationalusa" and is located in Changzhou. This item can be shipped worldwide.