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Alloy Wheels, Bimecc, Engineering, Fitment Guide, PCD Variation, Spigot Rings, Wobble Bolts -

Complete technical and engineering guide to wobble bolts (PCD variation bolts). Learn how floating conical collars work, safe +-2mm PCD conversions, 10.9 grade steel requirements, torque settings, and why hub centric spigot rings are mandatory.

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