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Renthal 520 R3-2 O-Ring Chain
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Renthal 520 R3-2 O-Ring Chain

Our price: $5.40$98.99

MSRP: $5.95 - $108.95 - You save up to $9.96 (9% off)

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    -Dan Thomas, CEO and Founder

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Additional Videos

Renthal Chain and Sprocket Install Instructions

Chain And Sprocket Replacement

Chain Maintenance & Adjustment

RM YouTube Channel


    Based on the success of Renthal’s R3 chain, the R3-2 chain gives you a new level of strength and resilience that keeps your wheels spinning.

    The R3-2 starts with high-carbon steel pins, solid bushings, solid rollers, shot peened plates, and shot peened rollers for a massive increase in overall strength and fatigue resistance. Nitrile O-rings seal all the vital surfaces and retain the vacuum injected grease to reduce wear on the pin and bushing surfaces. Add these improvements up and you have a chain with a 10% more life, 15% stronger pins and rollers, and a 7% increase in overall fatigue resistance. Want more? The R3-2 does all this at the same weight as the original R3.

  • Upgraded version of Renthal's R-3 O-ring chain
  • 10% increase in chain wear life
  • 15% greater shock-pin resistance and roller-fatigue strength
  • 7% greater overall fatigue strength
  • Same weight as the original R-3 chain
  • Nitrile O-rings retain a special vacuum-injected grease around the pin and bushing areas
  • High-carbon steel pins, solid bushings and rollers, and shot peened plates and rollers for increased fatigue resistance
  • 7,644 lbs. average tensile strength
  • Master link included

Renthal 520 R3-2 O-Ring Chain Reviews

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0 of 0 people found this review helpful.


Comments On May 20, 2015:Great chain, gives a little stretch on first ride then settles in. Narrow enough not to grind crf case with front sprocket mounted in the factory orientation.

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Nice chain just high priced

Comments On Feb 21, 2015:They are a good chain, just think there is something as good for less money. Just my 2cents

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0 of 2 people found this review helpful.


Comments On Jan 07, 2015:What can you say......its Renthal. Superior sprocket!

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0 of 0 people found this review helpful.

Ya.... This Is The One

Comments On Dec 13, 2014:Looking for a quality chain that will outlast most sprockets? Renthal nailed it with this one......and it looks good too.

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0 of 0 people found this review helpful.

Worth it

Comments On Oct 27, 2014:If you keep your chain adjusted perfectly and replace your sprockets before they are too worn this chain will last for years for the average rider.

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0 of 0 people found this review helpful.

Good O-Ring Chain

Comments On Jul 12, 2014:I have used this chain on various bikes from wr450f, yz450f, wr250f, and drz400s. From the street to the dirt, through the mud, and back on the street this chains has held its own !

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0 of 1 people found this review helpful.



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1 of 1 people found this review helpful.

Best chain

Comments On Apr 22, 2014:I think Renthal makes the best chains. After the initial break in and adjustment, there has been no stretch. I rode the entire summer including sand dune riding. We all know sand is hard on chain and sprockets. I will always buy Renthal.

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0 of 0 people found this review helpful.

Great Chain

Comments On Apr 14, 2014:Only chain ill ever buy. If properly cleaned and lubed it I found it will outlast the steel sprokets

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0 of 0 people found this review helpful.

Good quality durable chain

Comments On Dec 23, 2013:I have been running this chain for over 100 engine hours and it is only just starting to show signs of wear. It will still last me a while I reckon.

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