Gravel GXA Aluminium Disc Shimano Ultegra R8170 Di2 12spd Model year: 2022 Model year: 2022 Road / Gravel Suspension: Rigid Wheel size: 700c Add Dolan GXA Aluminium Disc Shimano Ultegra R8170 Di2 12spd to comparison Remove Dolan GXA Aluminium Disc Shimano Ultegra R8170 Di2 12spd from comparison Comparison full (3 of 3): remove a bicycle to add Dolan GXA Aluminium Disc Shimano Ultegra R8170 Di2 12spd