The new Shimano 105 introduces Di2 shifting to a broader range of cyclists. For riders accustomed to mechanical shifting and ergonomics, Shimano 105 Di2 offers a transformative road cycling experience.

Drawing on technology and features from Dura-Ace and Ulegra, Shimano 105 represents the culmination of extensive research and development. Featuring a shared Di2 platform, refined ergonomics, optimised gear combinations, and an outstanding brake system, the new Shimano 105 heralds a new era of accessible performance.

Includes

  • Shimano 105 Di2 ST-R7170 hydraulic disc, Di2 E-tube STI set, flat mount calipers, left/rear andright/front
  • Shimano 105 FC-R7100 12-speed double chainset
  • ShimanoCS-R7100 105 12-Speed Cassette 11 - 34T
  • Shimano SLX/105 CN-M7100 chain with quick link, 12-speed, 126L
  • Shimano 105 Di2 RD-R7150 12-speed rear derailleur, E-tube
  • Shimano 105 Di2 FD-R7150 12-speed front derailleur E-tube, braze on, double
  • SM-RT70 Ice Tech Centre-Lock disc rotor
  • Di2 BT-DN300 internal mount battery, 3-port
  • EW-EC300 battery charging cable

Features

  • Semi-wireless electronic groupset
  • Worry-free Di2 shifting and a compact shifter
  • 12-speed gearing and low-climbing ratios
  • New piston design with 10% wider pad clearance