- Zipp's most advanced and fastest deep-rim wheel for road, triathlon, and time trialing - More than 300 grams lighter that previous model - Optimized tire bed for easy tire installation - Sawtooth rim with Hyperfoil nodes and HexFin ABLC dimple pattern for top aero and crosswind-stability performance with an undulating rim depth - Cognition V2 hubset rolls efficiently whether you are pedaling or coasting. Its Axial Clutch V2 technology reduces drag and lowers friction - Center locking rotor interface. Lockring is included with the wheels - Zipp graphics applied using Zipp's ImPress direct-print technology - Minimum 25mm tire width - Lifetime Warranty