bicycle hubs, 36h/36h, 32h/40h, steetl material with c.p. packing per small box, front per 100pcs one carton,rear-50pcs

bicycle hubs with freewheel , 36h/36h, 32h/40h,

steetl material with c.p. 

packing per small box, front  100pcs one carton, rear 50pcs one carton

bicycle hubs