Flat out speed is what wakes you up in the morning. If preserving and maintaining momentum effortlessly is crucial to your ride, whether that's a TT, criterium, triathlon or your local Weekday Worlds, i9. 65 is your wheelset. Using our deepest and widest disc-specific tubeless rim to date, this wheelset simply butchers wind, leaving you with a stable wheelset that'll let you rest easy knowing you have one of the fastest road disc wheels on the planet. Center Lock Only.