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  • D.I.D 520 ERV3 Racing Chain
  • D.I.D 520 ERV3 Racing Chain

D.I.D ERV3 520 Racing Chain ER Series Exclusive 120 Link

$248.99 $209.99

Using the lightest chain with a high tensile strength is what we have done to provide the best ratio for the little bike race world

D.I.D 520 ERV3  Racing Chain is exclusively designed for motorcycle racing. High-performance, lightweight and low-friction chain provides the winning edge in world class competition.The best chain for all racing just got better, the DID 520 ERV3 Chain has been proven by the top teams in the world. With cutting edge technology and designed for the extreme conditions of racing, the D.I.D. ERV3 has 25% greater anti-shock performance and a 5% higher tensile strength over the previous generation chain without changing the weight of the chain. This means that the ERV3 is stronger without compromise while keeping the rotational mass to a minimum. Used and tested by professional teams such as KTM, Honda, Yamaha,Kawasaki and Suzuki, the D.I.D. ERV3 is the next level of chain performance. The gold coating also adds that level of factory look while giving the ERV3 excellent durability.

Using the lightest chain with a high tensile strength is what we have done to provide the best ratio for the little bike race world

Half the Power Loss – Compared with Normal O-ring chains, D.I.D’s patented X-Ring construction reduces friction by twisting between the side plates instead of being squashed. Normal O-rings and other makers’ modified O-rings have squashed points that increase friction. The twisting action of the X-Ring disperses the pressure and minimizes power loss.

1.5 to 2 Times Longer Wear Resistance – Compared with Normal O-ring chains, the X-Ring’s four contact points greatly increase its sealing performance. This keeps the dirt out and the lubrication in much better than any other O-ring. X-Rings have the greatest wear resistance of any other type of O-ring or non-O-ring chain.

Note for installing X-ring chains: As X-ring chains are wider than standard roller chains, when fitting an X-ring chain to a motorcycle that was fitted with a non O-ring chain as original equipment, it is essential to check that there is proper clearance of the engine cases near the countershaft sprocket and any other places of close contact. Failure to do so could result in damage to the chain and motorcycle and could ultimately cause the chain to fail.

D.I.D 520 ERV3 Racing Chain Advantages:

20% higher fatigue strength, 13% stronger anti-tight joint performance, 17% higher roller impact strength and 20% longer wear resistance
Features gold color plates
For 250-750 cc Rally, 750 cc Superbike and 250-750 cc Endurance applications
Average tensile strength of 8,660 lbs.
Includes rivet link

Weight 3 lbs

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