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Best chain money can buy for KTM group bikes. Narrow, light and strong.

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DID ERVT Series Heavy Duty Narrow X Ring Chain in Gold, Motocross Enduro Chain

The DID 520 ERVT Narrow Enduro Racing Narrow X-Ring Chain gives you the durability of an X-Ring chain in a width as skinny as non-sealed chains.

D.I.D Motocross Chains

If your bike has slim clearances designed for traditional, non-sealed drive chains, DID’s ERVT is a great choice for getting the extended durability of their X-Ring chain in a narrow package. The ERVT uses DID’s patented X-Ring design to hold lubricant inside the chain assembly and reduce friction points that occur in every link. This makes the ERVT specifically geared for the harshness of off-road riding with 1.5 to 2 times the lifespan and half the power loss of competing O-ring and modified O-ring designs.

The ERVT chain is plenty robust with a tensile strength of 8,440 pounds and is recommended for any bike 500cc or under. So if your bike fits narrow, non-o-ring chains but you want the durability and ease of a sealed chain, pick up the DID 520 ERVT Narrow Enduro Racing X-Ring Chain for everything but width.

DID ERVT Series Narrow X Ring Chain features:

  • Sealed ring chain with narrow body width
  • Same width as non-o-ring chains
  • More durability with less adjusting and lubrication
  • Half the power loss of other O-ring and modified O-ring designs
  • 1.5 to 2 times longer wear life than other O-ring and modified O-ring designs
  • Includes master link
  • 8,440 pound tensile strength
  • 500cc displacement recommended
  • Patented X-Ring® design
  • 520 Chain is best suited for 125cc+ bikes
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