Ek 520 Mrd7 - Chain - 120 Links - Gold 520Mrd7-120G

Replacement connecting link

Lightning holes for weight reduction without compromising strengthReduced frictionChromium carbide pin

Value O-ring chain that doesn't compromise quality or durabilityHigh-tech heat-treated steel alloy constructionO-ring seals lock in lube, lock out gritFeatures lightening holes

Ek 520 Rrx - Drive Chain - 120 Links - Gold 520Rrx-120G

For competition and OEM replacementSuper/ultra strong; 520 series has tensile strength of 9,400 lbs., 530 series tensile strength of 11,100 lbs.Minimize clearance between platesImproved stiffness and...