Shimano Front Chainwheel

170 / FC-R8000, Ultegra, For Rear 11-Speed, Hollowtech-2, 170mm, 53-39T, W/O BB / Dura-Ace 165 / FC-R8000, Ultegra, For Rear 11-Speed, Hollowtech-2, 165mm 52-36T, W/O BB / Ultegra 170 / C-R8000, Ultegra, For Rear 11-Speed, Hollowtech-2, 170mm 52-36T, W/O BB / Ultegra 172.5 / FC-R8000, Ultegra, For Rear 11-Speed, Hollowtech-2, 172.5mm 52-36T, W/O BB / Ultegra 165 / FC-R9100, Dura-Ace, For Rear 11-Speed, Hollowtech-2, 165mm 52-36T, W/O BB / Dura-Ace 170 / FC-R9100, Dura-Ace, For Rear 11-Speed, Hollowtech-2, 170mm, 52-36T, W/O BB / Dura-Ace