Patented low-profile tubeless rim design balances lateral stiffness with radial compliance Designed, tested, and raced to victories on the World Cup DH and Enduro World Series circuits Tiebeam triple-cavity rim design resists damage and prevents air loss under impacts 29mm Internal width optimized for 2.35 to 2.8 Trail, All-mountain, and DH tires Most trusted tubeless system for easy setup and low maintenance 6069 aluminum alloy is stronger than conventional 6061 alloys Bead Blasted BBQ finish for added durability