RK Excel Chain - 520SO (017681)

All RK O-ring chains are constructed of hi-carbon alloy steel for strength and durability. RK utilizes Nitrile Butadiene O-rings to seal in lubrication and deliver smooth power with no O-ring drag or loss of horsepower.

• Tensile Strength: 7,700 lbs
• Max CC Rating: 400cc Street and 400cc Dirt
• Master Link Inlcuded: Clip Type
• Clip and Rivet type master links is avalaible individually