Once you step into the realm of high-performance carbon rims, you'll never look back. Take the redesigned Race Face Arc 31 Carbon Rim, for example. Crafted with a UD carbon fiber construction that's reworked to best accommodate today's wider tires and tubeless lower tire pressures, the Race Face Arc 31 Carbon Rim features a tubeless-ready cincher design that simply needs tape and tubeless valves to make the quick and easy conversion! Prepare to experience the next frontier of lightweight durability and ride quality.