Aero 40mm tubeless, 425g disc-specific carbon fiber rims with molded spoke and valve holes Innerdrive J-bend hubs laced with Sapim CX-Ray J-bend spokes Recommended tire size: 27mm-50mm Performance versatility for road and gravel use Pinch flat technology with 3.6mm wide hookless bead Size 27mm wide tires must be tubeless and listed as "approved/recommended" on ENVE's tire compatibility page For use with tubeless tires only Complete wheelset weight: 1550g