HUB 20T(2.3MM) SILVER(DX),BULK.
FT HUB: ALLOY HUB,3/8"*14G*36H*100*140MM CR-MO STEEL AXLE, SEALED BEARING.
RR HUB: SHIMANO, 3-SPEED HUB FOR ROLLER BRAKE, NEXUS(98) SG-3R4036H 120*170MM(FOR ROD:81.8
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