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Won't the belt need regular tensioning to prevent it from falling off or skipping??Once tensioned during installation at the factory, the CDrive belt will not need any further adjustment.
Does the belt skip??The CDRIVE system will not jump or skip under any normal pedaling pressure. In some circumstances, a strong and experienced rider 'putting the system to the test' might be able to skip the belt. This is not recommended as it can lead to shortened belt life.
Does the belt need any lubrication or maintenance? ?No, the belt will never need lubrication. The only maintenance required might be to occasionally wash off any grit or dust that might accumulate on the sprockets with a brush and water.
BELT TENSION:?Adequate tensioning of the belt is critical to the success of the CDRIVE™ system. Belt tension should be as tight as possible without over stressing the axle bearings. Once correctly adjusted during installation, no further tension adjustment is necessary.
Note: If racheting occurs (jumping sprocket teeth when belt is under load tension) it is because initial belt tension is insufficient. This can shorten belt service life and therefore must be avoided.

MAINTENANCE?Avoid build up of mud and grit on the sprockets which can cause wear to the belt and sprockets. Clean if necessary with water and brush.
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I'd have thought those points more pertinent to an end user?

The rest is important to a manufacturer & also of interest to an end user, particularly one who is interested enough to pursue something as radical as a belt drive :-)