* Zipps 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 Zipps ImPress direct-print technology* Minimum 25mm tire width* Lifetime Warranty* SRAM Model ID: WH-858-NTLD-C1