The Sub-9 is the first disc to achieve negative drag in the wind tunnel (-80 grams ofdrag at 15 degrees of yaw) when paired with the Zipp Tangente Tire. The toroidal bulgecreates a more comfortable and compliant ride. MSRP for Sub-9 with Wireless.
PowerTap equipped disc wheels add only 120 grams to each disc with no compromises in strength, stiffness, or aerodynamic performance. Discs equipped with PowerTap are sold with and are compatible with all wireless 2.4 PowerTap computers. These discs are not currently available in track (fixed gear) versions.