The Shimano 105 R7100 and R7050 components in the 12x2-speed version, available only for disc brakes and in both electronic Di2 and mechanical versions
Shimano 105 Di2 R7170 Disc Flat Mount conversion kit, complete 12x2-speed, optional with charger, cassette and chain
Shimano 105 Di2 R7170 Disc Flat Mount complete groupset, 12x2-speed, optional with charger, bottom bracket
Shimano 105 R7100 groupset, Disc Flat Mount, mechanical 12x2-speed, complete with optional bottom bracket and brake discs
Replacement crank arm for Shimano 105 FC R7100 Hollowtech II road bike crankset, 12x2-speed, left, 172.5 mm
Replacement crank arm for Shimano 105 FC R7100 Hollowtech II road bike crankset, 12x2-speed, left-hand, 170 mm
Replacement crank arm for Shimano 105 FC R7100 Hollowtech II road bike crankset, 12x2-speed, length, left, 165 mm
Replacement crank arm for Shimano 105 FC R7100 Hollowtech II road bike crankset, 12x2-speed, left-hand, 160 mm
Replacement crank arm for Shimano 105 FC R7100 Hollowtech II road bike crankset, 12x2-speed, left-hand, 175 mm
Original Shimano Ultegra bottom bracket, SM-BBR60, for Hollowtech II road bike cranksets, BSA thread, 68 mm installation width