Orbit 520 Street / Off-Road Motorcycle O-Ring Chain

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Orbit 520 Street / Off-Road Motorcycle O-Ring Chain

Precision engineered and manufactured in Japan, Orbit Chains are the first choice for outstanding quality, ease of installation and extraordinary value. Rigorous quality control and meticulous attention to detail go into every chain.


  • O-ring
  • MX, Off-Road racing, and street compatible
  • Suitable for 125cc to 600cc max
  • Average tensile strength of 7950 lbs.
  • Includes clip link

Note: Image for illustration only - chain link may vary in design.

Fitment Notes & Exceptions
This is a universal fit part; it may or may not fit without modification.
4.4 / 5.0
7 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Good chain
After burning through 2 RK520-SO chains, I went with the 520SM. The chain is holding up much better! I would have adjusted the RK chain by now.
The only problem I had was having to compress the master link in order to get the clip on.

PROS: Durable chain

CONS: External O-rings

November 14, 2013
Solid chain
Easy to pop off extra links. Made it into a 104 link using the chain tool. Much smoother than my old chain
Used on 2004 Ninja 500

PROS: cheap

September 12, 2015
Great Chain
This is a sturdy, strong chain. Comes packaged with everything you need to replace your old chain.

PROS: Strong

February 4, 2010
Great chain for the money
Excellent chain for the money. Just cut it to size as needed, easy fit.

PROS: Excellent price

CONS: none

BEST USES: Offroad, Small - Mid Size Street
September 12, 2015
great chain
Doesn't stretch
January 13, 2016
Great product, but coulda used a rivet link to close instead of the clip.
April 8, 2011
I would recomend product
Good product for price would recommend
January 13, 2016
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Product Style Item # Manufacturer Product # Availability
520 / 120 Links 1137420 SO-520-120 In Stock: Ships within 24 hours