Zipp Vuka Alumina Evo 110 Extensions - 22.2mm, 360mm, Bead Blast Black Shimano Dura-Ace Di2 11 Speed The ATTK XL offers easy

The ATTK XL offers easy access with flexible materials and extensive cutouts

Tires Retrospec 700 x 32C all-season

Carbon-reinforced sole is stiff and supportive through pedal stroke

Rear Carrier: Classic design

DAILY SUGGESTED WORKOUTS: Get workouts made for you

Zipp Vuka Alumina Evo 110 Extensions - 22.2mm, 360mm, Bead Blast Black Shimano Dura-Ace Di2 11 Speed The ATTK XL offers easyFeatures Compatible with Vuka Clip, Vuka Aero and all 22. 2 systems Internal cable routing Specifications Material (HB): AL 6066 Bar clamp diameter: n a Extension clamp diameter: 22. 2mm Shifter fitment: Plug Style Length: 360mm Internal cable routing: Yes Stack height: n a Rise (HB): 110mm, 70mm