About This

• RK’s traditional round O-ring chain is a convenient blend of performance and affordability
• SO’s O-ring is constructed from Nitrite Butadiene to seal in lubrication and deliver smooth power with minimal seal ring drag or loss of horsepower
• 520SO chains are suitable for low to mid-range CC motorcycles that came from the factory with sealed chains
• 520SO can be used for both on street and off-road up to 400ccs
• Tensile Strength: 6,900 lbs; Max CC Rating: 400cc Street, 400cc Off-road/ATV; Max Horsepower: 60 HP; Weight per 100 Links: 3.39 lbs; Max Chain Width: 21.7mm; Master Link Included: Clip type