zipp extension vuka shift axs carbonCleanly houses your aerobar extensions, blibs, and head unit in one neat and aero package Specifications Brand ZIPP Color Carbon Diameter 22,2 mm Graphics Polished black logos Item Name Vuka Shift AXS Item Type Extension Material Carbon Other Pair, length is trimmable (15 mm front, 90 mm rear), integrated Garmin Wahoo Bryton computer mount, Package '1 1 Rise 90 mm