BMW introduces zero-maintenance motorcycle chain

    BMW has used a new coating material called tetrahedral amorphous carbon (ta-C), which is a type of industrial diamond, to increase hardness and reduce friction.

    Published On Sep 01, 2020 09:00:00 AM

    21,680 Views

    BMW Motorrad has announced a new drive chain design that is claimed to require as little maintenance as a shaft drive. The M Endurance chain will initially be offered in 525 pitch as an accessory, or a factory option, for the new BMW S 1000 RR and S 1000 XR. The tech will eventually make its way to other BMW models.

    Visually, the M Endurance chain looks like any other X-ring chain, with a permanent lubricant filling between the rollers and pins. However, BMW says it has used a new coating material called tetrahedral amorphous carbon (ta-C), a type of industrial diamond, on the rollers and bushings. 

    Diamond Like Carbon (DLC) coatings have been used as a process to reduce friction and increase hardness in parts like engine internals. BMW tells us that the ta-C on the chains provides similar benefits, and claims it performs somewhere between typical DLC coatings and pure diamond. According to BMW, ta-C coatings do not wear off metal surfaces and also offer a low friction coefficient. The result is a chain that requires no maintenance or cleaning – much like a shaft drive.

    The M Endurance chain is listed on BMW UK’s online bike configurator as an GBP 100 add-on (Rs 9,768).

    Also see:

    2020 BMW G 310 R, G 310 GS bookings open on September 1

    Standing Tall: 40 years of the BMW GS

    BMW motorcycles to get active cruise control option

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