Customized All Size Winding Bobbin Coil OEM Stator Rotor Winding Bobbin Coil on Mountain Bike Style: Plastic bobbin coil( OEM your own bobbin size) Coil: You can customized the below specificaiton for Coil 1:Coil Dimension of coil ( wire size from 0.0119-3mm)(Inner,outer size,thickness,shape) 2:Coil Turns, ( customized yours) 3:Coil inductance: (customized) 4:Coil resistance. (customized ) 5:coil leading wire, 6:winding direction wire winding way etc Bobbin Specificaiton: Material: All kinds of Plastic. PET,PP Alumumiu,Ferrite Rod,,etc customized as your needs. Bobbin Size and Shape:Customized as per your drawing/samples Minimum Size of plastic bobbin: 3MM Bobbin Material: Customized Bobbin special ask: Assembly: Assembly the coil+bobbin+3M Band/Ferrite/Rod Core+tube etc Provide one-step solution service Welcome your OEM,ODM design.