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Product information "Shimano Dura Ace Di2 ST-R-R9270 12-speed right"
Shimano Dura Ace Di2 ST-R-R9270 12-speed right
The ST-R9270 electronic shift/brake lever from Shimano's top racing bike group Dura-Ace Di2 shifts 12-speed or 2-speed wirelessly and brakes hydraulically.
Both the brake lever and the grip body are made of carbon, which saves around 20 grams on each side compared to the Ultegra model. ST-R9270 is powered by a CR1632 button cell battery, which lasts at least 1.5 years
The button cell can be replaced by yourself.
It communicates with the rear derailleur via a wireless protocol, which in turn is wired to the battery and indirectly to the front derailleur. Not only do you benefit from lightning-fast gear changes and a tidy cockpit, installation is also much easier without cables. Alternatively, you can also use the dual control lever with a cable. The ergonomics have been further optimized compared to previous models and allow a very comfortable grip. It is also possible to communicate with a third-party device via special buttons, mediated via the rear derailleur as a wireless unit.
Technical data
Material brake lever: carbon (CFRP)
Material grip body: carbon (CFRP)
Cable: SM-BH90-JK-SSR (not included)
Brake medium: mineral oil
Mounting: clamp (closed)
Reach Adjustment: Screw
Adjustment options: Reach adjustment, pressure point adjustment
compatibility
Clamp diameter: 23.8 - 24.2 mm
Power cable: EW-SD300-I (1 x connector)
Rear Derailleur: RD-R9250, RD-R8150
Front derailleur: FD-R9250, FD-R8150
Crank: FC-R9200, FC-R9200-P, FC-R8100, FC-R8100-P
Cassette: CS-R9200-12, CS-R8100-12
Chain: CN-M9100, CN-M8100, CN-M7100, CN-M6100
Caliper: BR-R9270 (recommended), BR-R8170
Additional brake lever: BL-RX812
Satellite switch: SW-RS801-S, SW-RS801-T (1 x connection via EW-SD300)
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