SHIMANO Dura-Ace R9270 Di2 Disc Groupset
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Product Description
the R9250 Rear Derailleur houses the wireless hardware that communicates with the shift levers, and it's hardwired to the front derailleur and battery, acting as the master link. It’s also the charging point, provides ANT+ connection to third party devices, features the button responsible for all Di2 operations and integrates an LED light for shift modes and battery charge levels.
FEATURES
2x12-speed, disc brake, semi-wireless electronic groupset
Rear derailleur is quick, smooth and effortless, for unmatched drivetrain efficiency
Rear derailleur acts as the point the system is charged, provides ANT+ connection to 3rd party devices and replaces the handlebar junction
Button on the rear derailleur for Di2 operations, and LED light denotes synchronised shift mode, setting mode and charge requirements
Rear derailleur wirelessly connects to the shifters
Low profile Shadow derailleur design
Dura-Ace wireless hydraulic Servo Wave disc brake Di2 STI levers give you control, modulation and power with minimal effort in all riding conditions
Shifters are lightweight thanks to carbon fibre lever blades, carbon composite bracket body, and a titanium clamp band / fixing bolt
Levers use CR1632 batteries which last for approximately 1.5-2 years
Improved ergonomic design
Hyperglide+ technology in the sprockets and chain improves shifting under load
XTR rotors reduce heat buildup
12-speed E-tube Di2 compatible
E-Tube Electric Wires sold separately
INCLUDES
Shimano Dura-Ace Di2 ST-R9270 hydraulic disc, Di2 E-tube STI set, flat mount calipers, left/rear and right/front
Shimano Dura-Ace FC-R9200 12-speed double chainset
Shimano Dura-Ace CS-R9200 12-speed cassette, 11-34T
Shimano XTR/Dura-Ace chain with quick link, 12-speed, 126L, SIL-TEC
Shimano Dura-Ace Di2 RD-R9250 12-speed rear derailleur, E-tube
Shimano Dura-Ace Di2 FD-R9250 12-speed front derailleur E-tube, braze on, double
RT-MT900 disc rotors with internal lockring, Ice Tech FREEZA, 160mm
Di2 BT-DN300 internal mount battery, 3-port
EW-EC300 battery charging cable, 1700mm