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BMW Motorrad has introduced the M Endurance chain, a maintenance-free chain with comparable characteristics for the first time. Like previous X-ring chains, the M Endurance chain has a resident permanent lubricant filling between the rollers and pins, enclosed by X-rings, thus the familiar ‘chain lubrication; is no longer necessary, nor is any re-tensioning required from time to time due to the usual wear.

 

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BMW Motorrad Zero Maintenance Chain Featured Image

 

This was made possible by using a new coating material for the rollers: tetrahedrally amorphous carbon (ta-C), also known as industrial diamond. This coating is characterized by extreme hardness and resistance and in this respect, it is placed between the DLC coating (Diamond Like Carbon) and pure diamond. In contrast to the metal surfaces used so far, the coating with the ta-C industrial diamond does not wear off. At the same time, this type of coating also offers a drastically reduced friction coefficient.

 

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BMW Motorrad Zero Maintenance Chain Image1

 

The tetrahedral amorphous carbon-coated rollers of the M Endurance chain offer maintenance comfort equivalent to that of a shaft drive motorcycle – one of BMW Motorrad’s technical cornerstones. This includes all the cleaning work that is unavoidable with a conventional chain due to splashed lubricant. Accordingly, the M Endurance chain also offers maximum environmental friendliness.

 

BMW Motorrad Zero Maintenance Chain Image2

 

The M Endurance chain in 525 pitch is now available initially for the two 4-cylinder models BMW S 1000 RR and S 1000 XR. The M Endurance chain is available as accessory or directly from the factory as an option. Further BMW Motorrad models are being prepared for this feature.

 

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