Sturdy, dependable mountain bike rim as seen on many high-end bike builds. With a redesigned rim profile, the new ARC Offset rims utilize an asymmetrical design to optimize spoke tension balance, wheel durability and wheel stiffness. New 6069 Alloy provides a superior strength to weight ratio over the previous generation of ARC, significantly improving toughness. Tubeless ready bead and offset design mean these rims are ready to hit any trail with confidence.