Glossary of Terms

Every term used across WheelCovers.Com's articles, defined and linked.

Hubcap

A cap covering the wheel hub (or full face), protecting hardware and adding style. → Hubcaps hub, Hubcaps 101

Wheel Cover

A full-diameter face that clips over a steel wheel. → Wheel Covers hub

Wheel Skin (Cladding)

A chrome-plated ABS overlay that fits over a factory alloy wheel. → Wheel Skins hub

Wheel Simulator (Liner)

A heavy-gauge stainless shell making steel truck/dually wheels look like alloys. → Simulators hub

Trim Ring (Beauty Ring)

A bright ring dressing the outer lip of a steel wheel. → Trim Rings hub

Center Cap

A small cap covering only the hub center, common on alloys.

Retention Ring / Clip-On

The spring-steel ring that snaps a cover into the wheel channel. → Installation Guide

Bolt-On / Lug-Retained

Covers or simulators held by the wheel's lug nuts. → Removal Guide

OEM

Original Equipment Manufacturer — factory-original parts. → OEM vs. Aftermarket

ABS Plastic

Acrylonitrile butadiene styrene — the light, moldable plastic behind most modern covers. → Materials Guide

Triple Chrome Plating

Copper-nickel-chromium layering that gives skins their mirror finish. → Chrome Care

Dually

A dual-rear-wheel truck — the classic wheel-simulator application. → Fleet Guide