Grx 2x11 with Dura Ace chain with Silca wax. Peak drive train IMHO. I don’t go as fast as the pros and I am using grx crankset so maybe that’s why I don’t drop my chain. 3t Discus with 29mm iner width, 40 outer and 45mm deep Schwalbe Thunder Burt’s 2.25 with room to spare with a two by system 38mm 3t aeroflux handlebars
