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139 0311 Wheel 5 Z

The spring keeps the lug nut centered and attached to the wheel so wedon't need to use a pliable glue. The spring attachment point allows thelug nut to turn inside the spring wire while zipping it on during aquick pit stop.
The Technology of Racing Wheels

The spring keeps the lug nut centered and attached to the wheel so wedon't need to use a pliable glue. The spring attachment point allows thelug nut to turn inside the spring wire while zipping it on during aquick pit stop.  View Related Article

 

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