Zipp 808 nsw carbon clincher road rear wheelthe zipp 808 nsw clincher is designed primarily for triathlon and time trial evenets or any cyclist looking for increased speed and stability with greater aero dynamics and reduced side force this wheel makes acceleration and maintaining speed easy features hub modelcognition rim outer width26 4mm rimx82nsw rim depth82mm spokessapim cx ray spoke hole count24 hole spoke pattern drive side2 cross spoke pattern non drive side2 cross sp