Zipp 404 S Carbon Real Wheel Tubeless Elevate your road ride with a wheel set engineered to deliver unyielding speed and seamless efficiency on every course. The Zipp 404 S Carbon Rear Wheel combines aerodynamic mastery with cutting-edge tubeless technology, making it the ultimate upgrade for ambitious road racers and weekend sprinters alike. Featuring a 50mm rim depth, it slices through crosswinds while maintaining rock-solid stability, allowing you to hold your line with total confidence during high-speed criteriums and fast group rides. Unmatched Performance and Modern Efficiency Built around a modern hookless rim profile with a generous 23mm internal width, this rear wheel is specifically optimized for wider tubeless tires run at lower pressures. This advanced setup drastically reduces rolling resistance, dampens road chatter, and boosts cornering grip so you can ride faster for longer with far less fatigue. Spoked with ultra-reliable Sapim CX Sprint spokes in a 2-cross pattern and anchored by the smooth-rolling Zipp 176 rear hub with stainless steel cartridge bearings, it converts every watt of your power directly into forward motion. Built for Reliability and Complete Peace of Mind Designed for seamless integration into modern disc-brake road bikes, this wheel features standard Centre Lock fitment, a versatile SRAM/Shimano driver body, and a stiff 12x148 thru-axle setup. Supporting system weights up to 115kg and tire sizes ranging from 28mm to 39mm, it offers exceptional versatility across varied road surfaces. Best of all, your investment is fully protected by Zipp's comprehensive Lifetime Warranty and Crash Replacement policy, ensuring you can push your limits on every ride with complete peace of mind.