Groupset Components:
105 ST-R7170 2x12 speed Di2 shifters - left/front + right/rear
105 BR-R7170 hydraulic disc brake calipers (resin pads) - front + rear
105 FD-R7150 Di2 2x12 speed front derailleur
105 RD-R7150 Di2 12 speed rear derailleur
105 CS-R7100 12 speed cassette - 11-34T
105 FC-R7100 2x12 speed crankset
105/SLX CN-M7100 12 speed chain with quick link - 116 links
105/SLX SM-RT70 center lock rotor external serration - 140mm
105/SLX SM-RT70 center lock rotor external serration - 160mm
BT-DN300 Di2 battery (built-in type)
EW-SD300 electric wire - 1x900mm & 1x1200mm
EW-EC300 charging cable - 1700mm