RK Racing Chain 520-SO-108 (520 Series) Steel 108 Link Traditional Street and Off-Road O-Ring Chain with Connecting Link

RK Racing Chain 520-SO-108 (520 Series) Steel 108 Link Traditional Street and Off-Road O-Ring Chain with Connecting Link

• 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

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 wearlife. Nitrile Butadiene O-rings seal in lubrication and deliver smooth power with no O-ring drag or loss of horsepower. Pin Length in mm: 19.9mm. Maximum Wear Life Index: 600. Maximum Tensile in lbs/Ft: 7700lbs/ft. Masterlink Type: Clip. Weight in Lbs per 100 Links: 4.08lbs. Max cc: 400cc Street / 400cc Off-Road. 19.2 Links per foot. 15.875mm Pin to Pin center. Your original purchase of RK sealed-ring chain is warranted to be free of defects in material and workmanship for 20,000 miles of street riding or one-year of off-road use. There is absolutely no warranty of any kind for an RK Chain used in ANY racing competition.