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Shimano
Shimano Dura Ace R9270 Di2
- 12 sprockets out back, obvs
- Wireless communication between shifters and derailleurs; derailleurs are still wired together and to battery
- 11-34 and 11-30 Hyperglide+ cassette options
- 54/40, 52/36 and 50/34 chainset options
- Faster shifting: 58% improvement out back; 45% up front compared to Dura-Ace 9150
- All the 'brains' and charge port now in the rear mech; no more junction box/ANT+ adapter
- Shift button offset increased
- Smaller remote shifter buttons compared to Dura-Ace 9150
- Redesigned brake hood shape
- New tubeless carbon-rimmed wheels with aluminium freehub bodies in 36mm, 50mm and 60mm depths
- New quieter freehub engagement mechanism with quicker take-up
- New rear hub spline pattern, but compatible with previous 11-speed Hyperglide
- Increased pad clearance in disc brakes
- Rim brakes still available in theory, but will likely be very hard to find on new bikes
- Easier hydraulic brake maintenance
- RT-MT900 rotors from XTR mountain bike groupset now standard on Dura-Ace
Shimano Ultegra R8170 Di2
Shimano Dura Ace 9150 Di2
Shimano Dura Ace 9100
Shimano Ultegra R8000
Ultegra Di2 R8050
Shimano 105 R7000
Shimano Tiagra R4700
Shimano Sora R3000
Shimano Claris R2000
Shimano Dura Ace Di2 R9170 Disc
Shimano Dura Ace R9120
Ultegra R8000
Ultegra R8070 Di2
Shimano 105 R7020
Shimano Tiagra R4720
Shimano RS405 Disc
Shimano RS785 Di2
Gravel
GRX RX810
GRX RX 815 Di2
GRX RX600
GRX RX400
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