Lighter, stronger, made in America and 100% recyclable thanks to Fusion-Fiber. There are no environmentally harmful or brittle epoxy in this carbon- it is a toughened, high-performance composite polymer that makes for a significantly more durable, and lighter wheel. Revel took this technology and made the RW23, their first gravel wheels with a 23mm internal width, 24 or 28 Hole, and available as a wheelset or rims. Head to Revel to read more.