520 V4 Drive ChainFor motocross and enduro useHigh quality O-ring seal extend chain lifeLive span up to 2x londer than non-sealed chainMade in Japan BASE COLORGoldCHAIN TYPE520 V4| RivetCOLORGoldLINKS1MASTER LINK CONNECTORRivetMATERIALSteelMAX ENGINE CC250 cc| 650 ccMODELV4 SeriesPRODUCT NAMEConnecting LinkSEAL TYPEO-RingSIZE520TENSILE STRENGTH37,8 kN (8488 lb)UNITSEachWEIGHT1,63 kg/100 Links
https://shopping.truda.io/product/za-legatura-lant-pas-520-tip-nit-o-ring-21352022-optiune-520
520 V4 Drive ChainFor motocross and enduro useHigh quality O-ring seal extend chain lifeLive span up to 2x londer than non-sealed chainMade in Japan B