Renthal Chain R3 520 (o-ring) premium quality a heavy duty o-ring chain specially designed for motocross/enduro/desert off-road applications.
A premium high strength sealed ring chain with excellent impact load
resistance designed specifically to withstand the stress found in offroad
applications where an o-ring chain is desired.
This chain is the choice where a combination of high strength,
lightweight and maximum power transfer are important considerations.
The nitrile o-rings help extend the chain life by retaining the special vacuum
injected grease near the critical pin area.