With its proven aerodynamic shape, versatile 45mm depth and hookless tubeless bead, the Zipp 303 S Tubeless Disc Brake Wheelset is the result of a streamlined process that has enabled Zipp to create a springily approachable yet delightfully high performance pair of hoops. Developed for both road and gravel applications, the 303 S is an excellent and affordable wheel option for any bike.