New Shimano 105 R7100/R7120 2x12 24-Speed Full Road Groupset Hydraulic Brake Set
105 R7100 Cassette CS-HG-R7101 12-34T. 105 R7100 Cassette CS-HG-R710 12-36T. 2X12 Speed. hanks to the natural deceleration feel of the hydraulic Shimano BR-R7170 brakes, athletes can test their limits even further.