The Shimano Dura Ace Di2 ST-R9250 represents the pinnacle of road cycling control.
Featuring SERVO WAVE braking technology, it delivers exceptional modulation and stopping power with intuitive feel. The integrated wireless Di2 shifting system provides lightning-fast, precise gear changes with a clean aesthetic—no cables cluttering your bars. This dual control lever combines shift and brake functions in one ergonomic unit, crafted from advanced materials for minimal weight without compromising durability. The refined design ensures confident control in all conditions, from steady climbs to technical descents. Perfect for competitive cyclists and serious enthusiasts demanding professional-grade performance.
Features
- With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear
- Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold
- Shifters are lightweight thanks to carbon fibre lever blades, carbon composite bracket body, and a titanium clamp band / fixing bolt
- Drop bar STI with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano STI
- Servo Wave brake lever pivot is positioned to be used with super SLR brake callipers, increase power providing excellent ergonomics when riding on the hoods
- Finely tuneable reach adjusters for the levers enable custom fitment for all hands
- Wired connection to the front and rear derailleurs with SD300 series wires
Specification
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Use: Road
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Group: Dura Ace Di2 R9250
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Model: ST-R9270-L
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Type: Dual-Control (STI)
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Handlebar mounting: left
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Gear front: 2-speed
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Optical gear display: No
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Lever reach adjust: Yes
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Handlebar diameter: 23.8mm/24.2mm
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Brake-type: Hydraulic Disc Brake
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Recommended brake caliper: BR-R9270
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Compatible electric wire: EW-SD300
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E-tube Project: Yes
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E-tube port (pcs): 2
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E-tube connector (pcs): 0
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Di2 Wireless-Chip: Yes
Material
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Body: CFRP
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Lever: Carbon, painted
Colour
Contents
- 1 x Shimano Dura Ace Di2 ST-R9250 2-Speed STI Dual Control Left
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Weights are based off pre-production products at time of publication. Weights may vary in final production.
