Fulcrum Racing 3 2-Way Fit Shimano Wheelset Light weight coupled with new graphics and a larger rear hub flange for a stiffer all-around wheel set at a great price 2Way Fit rims are compatible with both clincher and tubeless tires - includes valves 26mm front rim for maneuverability, 30mm rear rim for drivetrain efficiency Oversized aluminum hub bodies for reduced weight and lateral stiffness MoMag technology eliminates spoke holes in the rim cavity, so no rim strip needed