Shimano Dura-Ace R9100 and R9150 Di2 groupsets: all you need to know Integrated power meter, hydraulic disc braking and synchronised shifting Share on Facebook Share on Twitter Share on Pinterest Share on Whatsapp Share on Reddit Email to a friend By Oli Woodman January 17, 2017 at 4:50 pm Shimano Dura-Ace R9150 Di2 groupset Shimano Shimano Dura-Ace R9100 mechanical groupset Shimano Shimano BR-R9100 brakes are up 43% in stiffness terms when compared to previous generation Dura-Ace stoppers Shimano Shimano’s CS-R9100 cassette Shimano Shimano’s CS-R9100 cassette appears to use a similar construction to that of the XTR M9000 mountain bike group Shimano Shimano FC-R9100 chainset Shimano Shimano FC-R9100-P power meter chainset Shimano Shimano FD-R9100 front derailleur Shimano Shimano PD-R9100 pedal Shimano Shimano RD-R9100 rear derailleur Shimano Shimano ST-R9100 shift/brake lever Shimano Shimano WH-R9100-C24-CL-R wheelset Shimano Shimano WH-R9100-C40-CL-R wheelset Shimano