For competition and OEM replacementFeatures lightening holes, reduced friction and Quadra X-Ring design, which increases chain life from 1.5-2 times longer than a standard O-ring chain
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...