Shimano Dura-Ace Di2 R9270 12 Speed Without Rotors Groupset

The Shimano Dura-Ace Di2 R9270 is Shimano's flagship electronic road groupset designed for professional racing and elite performance. It features a 12-speed semi-wireless Di2 electronic shifting system, hydraulic disc brakes, and Hyperglide+ drivetrain technology for extremely fast, precise, and reliable shifting under load. The R9270 groupset is engineered for road racing, fast endurance riding, and performance cyclists seeking the lightest and most advanced Shimano drivetrain.

• Semi-wireless cockpit
• Fast and precise electronic shifting
  
• Low maintenance compared to mechanical shifting
• Faster shifting under pedalling load
  
• Reduced chain shock
• Improved drivetrain efficiency
• Excellent stopping power
• Superior modulation
  
• Servo Wave brake technology
• Hollow forged aluminum crank arms
• Lightweight yet extremely stiff
• Optimised power transfer
  
• Closer gear ratios
  
• Redesigned Di2 shifters
• Improved hood shape
• Better hand comfort
• Adjustable reach
  
• Firmware updates via E-TUBE
• Wireless customization

• Series: Shimano Dura-Ace R9200
  
• Groupset Model: R9270 Di2
  
• Speed: 2 × 12 Speed
  
• Shift Type: Di2 Electronic
  
• Brake Type: Hydraulic Disc
  
• Front Chainrings: 52/36T
  
• Cassette: 11-30T
  
• Crank Length: 172.5 mm
  
• Bottom Bracket: Hollowtech II (varies by package)
  
• Chain: Shimano CN-M9100 / 12-Speed compatible
  
• Cassette Type: CS-R9200-12
  
• Front Derailleur: FD-R9250 Di2
  
• Rear Derailleur: RD-R9250 Di2
  
• Battery: BT-DN300: Internal
  
• Charging: EW-EC300 Charger
  
• Connectivity: Bluetooth LE & ANT+
  
• Brake Mount: Flat Mount
  
• Rotor Compatibility: 140 mm / 160 mm (Rotors not included)
  
• Cassette Body: HG L2 Freehub

• ST-R9270 Di2 Shift/Brake Levers (Left & Right)
• BR-R9270 Hydraulic Disc Brake Callipers (Front & Rear)
• FD-R9250 Di2 Front Derailleur
• RD-R9250 Di2 Rear Derailleur
• FC-R9200 Crankset (52/36T, 172.5 mm)
• CS-R9200 12-Speed Cassette (11-30T)
• CN-M9100 12-Speed Chain
• BT-DN300 Internal Battery
• EW-SD300 Electric Wires (lengths may vary by retailer)
• EW-EC300 Charging Cable
• Brake hoses