Chain lock clip
Racing BossThe 520ERVT is designed as our top class enduro chain, but their strength, their low weight and their extended life make them an ultimate race chain.X-ring technologyThe ERVT, which has emerged from our original non-O-ring motocross chain, boasts our patented X-ring technology, which ensures a fewer elongation, a higher tensile strength and ultimately a longer life of the chain.Strong and lightThis is our lightest and long-lasting X-ring chain in size 520.