Shimano Ultegra FC-6800 Crankset 11-Speed 165mm | The Pro's Closet
Shimano SHIMANO Ultegra 6800 11 Speed Inner Chainring Dark Grey, 36t for 52/ 36 or 46/36
Shimano's Ultegra R8000 crankset with 46/36 chain rings is still the best option for a cyclocross double, but it won't work with the GRX front derailleur. - Cyclocross Magazine - Cyclocross and