The Zipp 353 NSW Tubeless Disc Brake Wheel is designed to be extremely lightweight and to cut through the air while providing the best stability possible. Zipp's Sawtooth rim shape utilizes Hyperfoils to provide aerodynamic efficiency and crosswind stability. It also reduces weight while maintaining all-around strength. Total System Efficiency, or TSE, breaks barriers that are specific to speed such as wind resistance, gravity, rolling resistance, and vibration losses. The hookless rim construction allows a more seamless transition between tire and wheel and allows a better distribution of resin to help shave grams without having a negative impact on durability. Zipp's 353 NSW Tubeless Disc Brake Wheel leads the pack and provides a top of the line ride. These wheels are only compatible with tubeless ready tires FEATURES: Versatile endurance wheelset for the modern road bike with tubeless and hookless rim profile Zipp's lightest tubeless wheelset yet, making it a fast-puncher ready to fight Optimized tire bed for easy tire installation TSE for greater efficiency and reduced rolling resistance Sawtooth rim with Hyperfoil nodes and HexFin ABLC dimple pattern for top aero and crosswind-stability performance with an undulating rim depth Ships with 12mm front end caps Center locking rotor interface (lockring is included) Zipp graphics applied using Zipp's ImPress direct-print technology SPECS: Max Recommended System Weight: 250lbs/114kg Max Tire Pressure: 73psi/5.0bar ERD (effective rim diameter): 622mm Hub Used: Cognition V2 Hub Width: 100mm (Front), 142mm (Rear) Internal Rim Width: 25mm Rim Depth: 45mm Spoke Count: 24 Spoke Pattern: 2 cross