Encoder, counterSpecial meter wheel, aperture4mm, 6mm/8mm
Die-casting of bulk aluminium alloy, blackening treatment, outer rubber wrapping, super wear resistance
Diameter:63.7mmTotal thickness:15mmAluminum hub thickness11mmInsert thickness8mm
Axle bore diameter: bore diameter4mm, 6mm/8mm
Perimeter200MM
Special specifications can be customized