Zipp s 808 Firecrest Tubeless Disc-wheel is pure engineering science. It has to be. To achieve speed with an 82mm rim depth is one thing, but to be fast while offering high crosswind stability, well, that requires serious attention to detail. New Zipp graphics and cosmetic identity that scream speedZR1 DB hub is engineered in Germany with better seal design for improved durability and quicker response with 66 points of engagementBuilt with Sapim CX Sprint J-bend spokesAn all-out aero 82mm rim profile that s tubeless ready for increased speed and better cornering, control, and comfortABLC Sawtooth dimple design helps manage air flow around the rim, and contributes to create a faster, more stable wheelCentre locking rotor interface. Lock ring is includedXDR or SRAM/Shimano driver bodiesShips with 12mm front and rear end capsCampagnolo driver body sold separatelySuperior modulation and stopping power of disc brakesYet that s just what the 808 Firecrest Disc brake accomplishes speed wi