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BMW Motorrad Unveils New M Endurance Chain That Requires Zero Maintenance

BMW M Endurance Chain. (Image source: BMW Motorrad)

BMW M Endurance Chain. (Image source: BMW Motorrad)

Like previous X-ring chains, the BMW M Endurance chain has a resident permanent lubricant filling between the rollers and pins, enclosed by X-rings.

BMW Motorrad has unveiled the M Endurance chain, a new drive chain design that is claimed to require as little maintenance as a shaft drive for your motorcycle.

Like previous X-ring chains, the M Endurance chain has a resident permanent lubricant filling between the rollers and pins, enclosed by X-rings. What is completely new, however, is that the previously necessary additional lubricant addition for the rollers and thus the familiar "chain lubrication" is no longer necessary, nor is any re-tensioning required from time to time due to the usual wear.

BMW M Endurance Chain.
BMW M Endurance Chain. (Image source: BMW Motorrad)

This enormous gain in comfort 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 well-known 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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Thanks to excellent dry lubrication properties and the elimination of wear, the tetrahedral amorphous carbon-coated rollers of the M Endurance chain offer maintenance comfort equivalent to that of a shaft drive motorcycle. 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.

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 an accessory or directly from the factory as an option. Further BMW Motorrad models are being prepared for this feature.

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