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-...

Buy Now From Amazon

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.

  • 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
  • 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

Similar Products

JT Sprockets JTF270.14 14T Steel Front SprocketJT Sprockets JTR273.33 33T Steel Rear SprocketABN Chain Breaker 13-Piece Set with Carrying Case – Chain Cutter and Riveter for Motorcycle, Bike, ATVK&N KN-112 Motorcycle/Powersports High Performance Oil FilterMotion Pro 08-0070 Mini Chain Press ToolSunstar 2-351538 Silver 38-Teeth Standard Steel Rear Sprocket for Chain Size 520JT Sprockets JTF1321.13 13T Steel Front SprocketRenthal C280 R3-2 O-Ring 520-Pitch Clip-Style Connecting Link