JJD wheel

JJD wheel
A safety wheel which can be run when deflated. Two independently inflated tires are seated on a double rim consisting of two single rims. The JJD wheel has excellent aquaplaning properties; a reliable tire pressure control system is required, however, since a defective tire is not easily detectable

Dictionary of automotive terms. 2015.

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  • wheel — A circular device, thin in relation to its face area, usually able to rotate about a central axle or pivot, with a durable but elastic rim or with regular teeth cut on the rim and for lightness often supported by spokes joined to the hub instead… …   Dictionary of automotive terms

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