The Dura-Ace R9170 Di2 Groupset sits at the pinnacle of Shimano performance in every way. Di2 electronic shifting for exceptional, precise shifting efficiency & superior hydraulic disc brake performance to give you the edge on demanding routes.
|Bottom Bracket Type:||Threaded|
|No. Of Chainrings:||Double|
|Brake Type:||Hydraulic Disc Brake|
|Chainring Size:||52 Tooth, 36 Tooth|
|Cassette Range:||11-30 Tooth|
Designed to raise the bar for drivetrain performance, the R9170 groupset is a favourite among World Tour riders thanks to its unmatched shifting performance and advanced function. Both the front and rear derailleur communicate with each other as you shift up and down the gears to ensure that the perfect balance between cassette sprocket and chaining selection is being used; this balance provides the most efficient and performance enhancing power-transfer available.
This groupset is equipped with among the most advanced hydraulic disc brakes in the world of road cycling today. Shimano has been long-known for their superb mountain bike disc brake systems which have now been developed and optimised to provide the highest levels of brake performance available in the world of competitive road cycling.
Shimano Dura-Ace 11-Speed R9170 Di2 Drop Bar Levers
Drop bar STI with shift buttons
Ergonomic design with greater reach
More controllable and confidence inspiring in race conditions
Carbon composite plastic material hood
Customise the shifts to suit your riding style
More defined click feeling and ergonomic shift lever position
Updated internal shifting unit
Optimally balanced hydraulic brake system for racing
Powerful and controllable braking system
Tuneable Reach and Free-Stroke adjustment
Weight: 180g (per lever)
Shimano Dura-Ace R9170 Hydraulic Brake Calipers
Sleek, Low-profile design
Optimally balanced hydraulic brake system for racing
Simple set up and maintenance
Easy and clean one-way bleeding process
ICE Technologies Freeza for advanced heat dissipation
Wide pad clearance and chamfer of brake pads
Improved braking efficiency and power
Balance weight, stiffness and stopping power
Shimano Dura-Ace R9150 2x11-Speed Di2 Front Derailleur
Designed to work with the wider gear pitch spacing Shimano chainsets without sacrificing shifting performance on bikes with 135 / 142 mm O.L.D.
Precise and accurate shifting
Quick and smooth front shifting under high pedalling torque
Fast and Smooth engagement
Auto-Trim that centres the front derailleur as you shift across the rear cassette, avoiding chain rub
Syncronised Shift Technology to communicate with Rear Derailleur to optimise performance
Shimano Dura-Ace R9150SS 11-Speed Di2 Rear Derailleur
Derailleur contains a saver (fuse) function
Shadow RD Technology
Syncronised Shift Technology to communicate with Front Derailleur to optimise performance
High tolerance cold forged aluminium link plates and body construction
Four self-lubricating micro-machined fluorine-coated link pivot bushings
Shimano Dura-Ace R9100 2x11-Speed Chainset
New 4-arm design for stiff, lightweight performance
Weight reduction without any sacrifice to structural integrity or performance
Hollowtech II construction
Bolt Circle Diameter (B.C.D): 110mm
Compatibility: Frames with O.L.D. 135 / 142 mm and 410mm chainstay length
Shimano Dura-Ace CS-9100 Cassette
For use with 11-Speed HG-EV chains
Advanced, optimised shifting performance
Shimano Dura-Ace 11-speed HG-901 Chain
Sil-Tec surface treatment technology (PTFE plating)
Zinc-Alloy plated outer links
5.62mm chain width
Shimano Di2 E-tube Electric Wires
300mm x 1
350mm x 2
600mm x 1
700mm x 1
1000mm x 1
SM-EW90-A E-tube Di2 Junction Box-A, 3 port and the M-JC41 E-tube, Di2 bottom bracket Junction for internal wire routing
Di2 internal mount battery
Di2 internal battery charger direct to SM-EW90 Junction (one hour charge time)
Shimano are the makers of the world's most well known cycle component brand. Established in 1921 when the first cycle freewheel was forged. Shimano produce drivetrains, wheels, pedals, shoes, cycling clothing and pretty much every Shimano cycle accessory you can think of! Famous for their top end products ridden by the pro's, Dura-Ace and XTR, which cover both road and MTB's. At Shimano, they're doing everything they can to respond to heightened environmental concerns. Shimano are proud to be a producer of bicycle components that help people to enjoy outdoor sports and interact with nature through healthy non-polluting activities. In their 87 plus years of existence Shimano have accumulated a wealth of technology and product development and expertise that serves as the driving force behind their continually evolving product line.
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