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Shimano Dura-Ace R9270 Di2 12-Speed Groupset
Shimano Dura-Ace R9270 Di2 12-Speed Groupset
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Shimano Dura-Ace R9270 Di2 12-Speed Groupset – The Pinnacle of Performance
This is the reference point. The groupset that defines the limit of what a bicycle drivetrain can achieve. Shimano Dura-Ace R9270 Di2 is the lightest, fastest, most refined electronic groupset ever created. It’s the direct result of Shimano’s obsessive pursuit of perfection—purpose-built for World Tour sprinters, climbers, and breakaway specialists who accept nothing less than absolute victory. When every watt and every gram matters, R9270 is the only choice.
Key Features
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Unmatched Shift Speed & Precision: New motor and control technology delivers rear shifts that are 58% faster and front shifts 45% faster than the previous Dura-Ace generation. Combined with Hyperglide+ cassette profiling, shifts under maximum load are not just quick—they’re completely seamless and utterly silent.
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Exclusive Lightweight Construction: Cold-forged, high-tensile alloy, titanium, and carbon components shave every possible gram. A bold new direct-mount chainring design eliminates the spider entirely for a cleaner aesthetic and reduced rotating mass, making R9270 the lightest road groupset Shimano has ever built.
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Refined Ergonomics & Control: The redesigned hood profile is 5.6 mm longer than R9170, offering enhanced grip and a more natural transition between tops and drops. Updated Servo Wave lever mechanics deliver sharper initial pad contact and exceptional modulation for braking that is as powerful as it is controllable.
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Silent, Maintenance-Free Braking: Wider pad-to-rotor clearance on the new flat-mount calipers eliminates annoying rub in gritty conditions, while new anti-resonance technology eradicates heat-related noise on long descents. Expect consistent, race-ready stopping power in total silence.
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Fully Integrated Wireless System: A purely wireless connection between shifters and derailleurs tucks everything away. The internal battery hides in the seatpost, and the rear derailleur houses the system brain, charging port, and a multi-function button. It’s the cleanest, most intuitive setup possible.
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12-Speed Precision Range: A 12th sprocket creates smoother cadence progression. The dedicated hg+ cassette is available in 11-30T and 11-34T configurations, perfectly covering alpine climbs and flat-out sprints with a single rear derailleur.
Technical Specifications
| Component | Specification |
|---|---|
| Groupset Model | Shimano Dura-Ace R9270 Di2 12-Speed |
| Shift/Brake Levers | ST-R9270, Dual Control, Wireless Di2, Servo Wave |
| Shifter Power | 2x CR1632 coin cell batteries (1.5-2 year life) |
| Shift/Brake Levers Weight | Approx. 350 g (pair) |
| Front Derailleur | FD-R9250, Braze-on, Di2 E-Tube |
| Rear Derailleur | RD-R9250, Shadow Design, 12-Speed |
| Rear Derailleur Weight | Approx. 215 g |
| Chainset | FC-R9200, Hollowtech II, Direct-Mount Chainrings |
| Cassette | CS-R9200-12, Hyperglide+, 12-Speed |
| Cassette Options | 11-30T, 11-34T |
| Chain | CN-M9100, 12-Speed, Quick-Link (126 links) |
| Brake Calipers | BR-R9270, Flat Mount, Hydraulic Disc |
| Brake Rotors | RT-CL900 (160mm) or RT-MT900 (optional) |
| Di2 Battery | BT-DN300, Internal Mount, 3-Port |
| System Weight | Approx. 2,450 g (complete groupset, configuration dependent) |
| Crank Lengths Available | 160, 165, 167.5, 170, 172.5 |
| Chainring Options | 50/34T, 52/36T, 54/40T (Direct-Mount) |
| Compatibility | Electronic only, 12-speed, Disc Brake |
*Note: E-Tube wires (SD300) and bottom bracket are not included. Select the correct wire lengths and BB standard for your frameset.*
What's Included in the Box
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Dura-Ace Di2 ST-R9270 Hydraulic Disc Brake/Shift Levers (Left & Right)
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Dura-Ace Di2 FD-R9250 Front Derailleur (Braze-on)
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Dura-Ace Di2 RD-R9250 Rear Derailleur
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Dura-Ace FC-R9200 Hollowtech II Chainset (Direct-Mount, configurable chainring sizes)
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Dura-Ace CS-R9200 Hyperglide+ 12-Speed Cassette (11-30T or 11-34T)
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Dura-Ace/XTR CN-M9100 12-Speed Quick-Link Chain (116L)
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Shimano RT-CL900 Ice-Tech FREEZA Center-Lock Rotors (2x 160mm)
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Shimano Di2 BT-DN300 Internal Battery (3 Port)
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Shimano EW-EC300 Battery Charging Cable (1700mm)
*The absolute summit of road cycling performance is now within reach. Click "Add to Cart" and build your no-compromise race machine with Shimano Dura-Ace R9270 Di2.*
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