Columbus Zona steel - silver fillet brazed, with full carbon tapered fork. The flat mounted hydraulic disc brakes groupset is Campagnolo Potenza 11v, beautifully in silver. The bike is finished with all-silver kit that includes: Miche Supertype seatpost, Ritchey Classic bars & stem. The wheels are handmade by Arup Sen @wheelbuilding with: Hope hubs, Sapim Race spokes, Halo Devaura disc rims.