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Code: 9150-GRP
Shimano Dura Ace R9150 Di2 11 Speed Groupset Builder
The DURA-ACE Di2 groupset is the result of Shimano’s ongoing passion for technology. This is reflected in every single component in the groupset. All components are joined together to work as one, reinforcing each other for unparalleled performance.
For the new DURA-ACE Di2 groupset, Shimano have improved upon each and every individual component. Together they form a truly superior groupset. A perfectly balanced total system. Improving performance by maximising efficiency: that’s how Shimano are able to ensure the best for cyclists with the highest demands.
In addition to traditional “Full” Synchro Shift, riders can optionally select “Semi” Synchro Shift. This intuitive new mode automatically reacts when the rider shifts from one chainring to another, automatically shifting the rear derailleur to minimise the gear step, thus preserving the rider’s rhythm.
 
Groupset Specification:
  • Dura-Ace R9100 Chainset, 170, 192.5 and 175mm cranks, with 34/50, 36/52 and 39/53 ring options
  • Dura-Ace Di2 R9150 2x11 STI Shifters
  • Dura-Ace Di2 R9150 Front Derailleur - Braze On
  • Dura-Ace Di2 R9150 Rear Derailleur
  • Dura-Ace R9100 Brake Caliper Set
  • Dura-Ace R9100 Cassette 11 speed. 11-25, 12-25, 11-28, 12-28 and 11-30 options
  • Dura Ace Chain CN-9000 - 114 Links
Excellent piece of kit.. this is my second R9150 group set for a second bike - Cervelo S3 - Why? Because I was so impressed by the initial/ first purchase for my Argon 18. Merlin are the best at price anywhere .. and I mean anywhere worldwide .. I do my homework before spending hard earned cash and you get what you pay for - plus with Merlin a superb customer support and delivery service. Will continue to buy from Merlin whatever components I need... Don't take my word for it - check it out yourself.
Terrific product - reliable, slick changing, refreshingly intuitive
Electronic shifting is great, brake power is exciting in comparison to my former Red. Shipping was perfect