Velocity Aero RimIn 1991 we introduced our first aluminum rim, the Aero. 33 years later, we've created a new version featuring all the design enhancements we've developed along the way. Additionally, the Aero utilizes a new and stronger advanced aluminum alloy. This rim is a nod to the history of our company, and we've chosen to name our first new rim using this alloy after the rim that started it all. 6069 alloy offers improved resistance to denting and fatigue