CANE CREEK ZN40 Bearing - 52mm - 45 x 45mm - 1.5" Vest the Antares R3 Adaptive maintains

the Antares R3 Adaptive maintains many iconic design features that have long made the original so popular amongst leading athletes

Rotors:  Shimano RT26

SPEEDPLAY ZERO pedals' symmetrical form factor allows for dual sided pedal entry when clipping in

Designed and manufactured in the USA from 7075-T6 aluminum alloy

CANE CREEK ZN40 Bearing - 52mm - 45 x 45mm - 1.5" Vest the Antares R3 Adaptive maintainsZN40 Series bearings are corrosion resistant zinc coated, machined steel cartridge bearings with hardened steel balls, which vastly increases the longevity of your headset. Compatible with 110 , 40 , and 10 Series headsets