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– Pair of shifters + disc brakes: Shimano Ultegra Di2 ST-R8170 / BR-8170 (Shifters + 1000/1700 mm tubes + Flat Mount calipers with resin pads. J-Kit version.)
– Gear: Shimano Ultegra Di2 RD-R8150 12v
– Derailleur: Shimano Ultegra Di2 FD-R8150 2x12v (weld-on – clamp not included)
– Crankset: Shimano Ultegra FC-R8100 (50/34T or 52/36T – 170 or 172.5 or 175 mm)
– Cassette: Shimano Ultegra CS-R8101-12 (11-30T or 11-34T)
– Chain: CN-M8100 Quick-Link (116 links)
– Internal battery: Shimano BT-DN300
– Charging connector: Shimano EW-EC300 (1700 mm)
– Internal electronic cable: Shimano EW-SD300-I (1×600 mm + 1×1200 mm)
– Front and rear disc: Shimano RT-MT800 Center Lock or Shimano RT-CL800 Center Lock 160 mm / 140 MM
ULTEGRA R8100 Di2 DISC GROUP WEIGHT: 2346 gr.Discover peak performance with the Shimano Ultegra Di2 R8100 2×12-speed disc brake groupset. Experience fast, precise shifting!
