*This DID 520ERS3 chain is a non o-ring chain designed for high performance race use only. It has a short life span of 700-1500 miles and is not designed for street use.
The DID 520ERS3 ultra lightweight 520 non o-ring racing chain is the lightest weight 520 chain on the planet, and is specifically designed for racing. It has the lowest rotating friction and weight of any 520 chain available, weighing only 2 lbs 13 oz for a 112 link chain. Compare that to 3 lbs 10 oz for the OEM 520 chain, or even 3 lbs 11 oz for the lightweight DID 520ERV3 x-ring chain, and it is nearly a pound less rotating mass. That means faster acceleration and higher top speed.
This chain is the perfect solution for racers who want maximum performance but without the hassle or worry of running a 415 conversion. This DID 520ERS2 has a tensile strength of 5830 lbs, nearly 30% stronger than our DID 415ERZ chain.
*All 520ERS2 chains include clip style master links. We highly recommend using a rivet style master link for the most reliable connection.
Would you like to add a rivet style master link for your chain?
*Chain/Sprocket Length Guide Coming Soon*
54 TOOTH, 55 TOOTH, 56 TOOTH, 57 TOOTH, 58 TOOTH
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