Cycling · Groupset · Shimano
Shimano Di2 8150 (Dura-Ace Di2)
Shimano's flagship 12-speed electronic road groupset with wireless Di2 shifting, Hyperglide+ drivetrain, hydraulic disc brakes, and a centralized internal battery — aimed at elite road and WorldTour…
Released 2021Quick facts · not yet fully researched

Quick specs
- Speeds
- 2x12 (24 speed)
- Brake Type
- Hydraulic disc (flat mount), rim brake version also available
- Battery Life
- ~1,000 km per charge (centralized seatpost battery)
- Cassette Range
- 11-28T to 11-34T (single cage length)
- Shifting System
- Semi-wireless Di2 (wired derailleurs, wireless STI levers)
- Rear Derailleur Shift Speed
- 58% faster than previous R9150
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