Race Face's popular AR rims have been updated for 2019 with an asymmetric rim profile, improving spoke tension balance and overall wheel build quality and durability. The rim extrusion has also been improved to increase impact performance for more aggressive applications. With a tubeless compatible rim profile and color match capabilities, these rims are ready for any build you can throw at them. - Offset nipple bed for improved spoke tension balance and wheel strength/stiffness - Tubeless ready with strong tire retention bead