The 520SO is one of the best O-ring chains in the industry
520SO chains feature heat treated hi-carbon alloy steel components with seamless rollers and shouldered bushings for strength and durability, and are fitted with O-ring seals
O-ring seals are made from an advanced Nitrile Butadiene composite for maximum performance and wear life
Nitrile Butadiene O-rings seal in lubrication and deliver smooth power with no O-ring drag or loss of horsepower
The 520SO has a tensile strength rating of 7700 foot pounds and is rated for bikes up to 400cc

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4.8 inch
Height : 1 inch
Length : 10.2 inch

Item Weight: 4.45 pounds (View shipping rates and policies)
Shipping Weight: 12 pounds (View shipping rates and policies)

ASIN : B000WJAZL8