Redefining off-road performance for everyday use through our unique design language and rigorous testing in extreme outdoor conditions, we realized that the traditional "simulated beadlock" wasn't as functional as it could be. The Traverse HD introduced our revolutionary RockRing - allowing for the drainage of water, mud, and whatever else you catch on the trail. Others have copied - but it started with the Traverse HD. cast in durable A356-T6 aluminum alloy tested to SAE standards RockRing outer lip flush-mounted color-coded 52 cap TPMS compatible Each wheel is sold individually and includes: one (1) color-coded 52 cap Patent pending.