RK 520 SO O-Ring Gold Chain 520 Pitch x 120 Links for KTM Duke 390

Japanese economical O-ring chain

RK 520SO  is a Classic ! The best choice if you are looking for an economical chain for motorcycle from 250cc to 400cc. 

RK utilizes Nitrite Butadiene O-Rings to seal in lubrication and deliver smooth power with minimal loss of horsepower.

RK’s sealed-ring chains received the spotlight back in 1978 during Suzuka 8 hours endurance racing. While it was common for riders to change their non-sealed chains at least three times during the race. Racers riding with RK’s sealed chains achieved the win with only ONE chain!

Features:

• Proprietary 520SO O-RING CHAIN
• Tensile strength: 30.5kN
• Application : 250cc / 400cc
  
• Includes clip/rivet type master links
• Weight : 1.54Kg/100L

Main Point:

• For Street Riding & Daily Use
• For ATV
• O seal ring
• About 10 000 km
• Economical Choice 
• 3 times longer life than non seal chain 
  

This is a universal fit part; it may or may not fit without modification.

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