Shimano 105 R7170 12 speed Di2 groupset for disc brake

The new SHIMANO 105 brings Di2 shifting to a new set of riders. For those who have only experienced mechanical shifting and ergonomics, SHIMANO 105 Di2 represents a transformation of the road cycling experience.

With function and technologies inherited from DURA-ACE and ULTEGRA, SHIMANO 105 is the culmination of years of research and development. With a shared Di2 platform, sophisticated ergonomics, SHIMANO 105-optimized gear combinations, and an exceptional brake system, the new SHIMANO 105 marks a new era of affordable performance.

Groupset Specification:

• Chainset: FC-R7100 50/34 and 52/36 options
• Bottom Bracket: BB-R60 Ultegra - 105 bottom bracket English cups or BB9241B S himano Road press fit bottom bracket for 86.5 mm
• Cassette: CS-R7100 11-34t and 11-36t
• Chain: CN-M7100 SLX/105
• Front Derailleur: FD-R7150 braze on or clamp on
• Rear Derailleur: RD- R7150 for 11-34t or 11-36t
• Brake/Gear levers: ST-R7170 Di2 STI
• Brakeset: BR-R7170 Hydraulic Disc Brakes calipers
• Rotors: SM-RT70