Shimano Dura-Ace R9150 Di2 11 Speed Groupset
The Shimano Dura-Ace R9150 Di2 Groupset (11 Speed) is the highest level of groupset you can get from Shimano. Using Electronic shifting that can be customised to suit your riding style with a combination of components that ensure maximum stiffness, performance and reliable gear changes.
Cassette Size: 11-25t, 12-25t, 11-28t, 14-28t, 11-30t, 11-32t, 11-34t
Crank Teeth: 52-36t (Semi-Compact), 50-34t (Compact), 53-39t (Pro)
Speed: 11 Speed
Crank Length: 172.5mm, 170mm, 175mm
Front Derailleur Type: Braze On
Rear Derailleur Type: Medium Cage (GS)
BB: Threaded BSA
For the first time in a Dura-Ace groupset, Shimano’s innovative Synchro Shift is now available as a programmable Di2 option; Synchro Shift creates an intuitive experience with synchronised front and rear shifting, which can be custom programmed. With ‘full’ and ‘semi’ Synchro Shift available, this intuitive new mode automatically reacts when you shift from one chainring to another. Remove the guesswork as your rear derailleur shifts automatically to minimise the gear step so you can keep riding with a smooth cadence and rhythm.
The Di2 E-Tube system provides unmatched shift performance, reliability and rider customisation. Along with enhanced Di2 functionality, the front and rear Di2 derailleurs are connected via Shimano’s small EW-WU111 wireless unit allowing for an ANT Private connection between Dura-Ace R9100 and third-party devices. These components can be connected to Shimano´s E-Tube software, which supports the programmable aspects of the Di2 electronic gear shifting system. Use the Bluetooth technology for seamless access on smartphones and tablets.
Dura-Ace R9100 Chainset
The Shimano Dura-Ace R9100 Compact chainset is completely re-designed to offer the very best combination of lightweight and stiffness. It features Shimano’s iconic 4-arm hollow spider that is made from hollow-forged aluminium.
Dura-Ace R9100 Chainset Features:
Material: Hollow-forged Aluminium
Enhanced design saves 7g while maintaining rigidity
Iconic 4-arm construction maintains high rigidity and reduces weight
Optimised crank arm design strengthens key stress zones
New chainring tooth profile is adapted for race bike specific disc brake systems
Accommodates shorter chainstays (410mm) with 135mm OLD
Hollowglide chainring construction maintains smooth shifting whilst reducing weight and increasing stiffness
Dura-Ace Di2 R9150 2×11 STI Shifter Set
The Dura-Ace Di2 9150 shifters feature an ideal ergonomic shape that is comfortable in the hand and have been updated to be more precise and more adaptable than previous editions. The shift paddles now feature a more defined “click” and have been extended in length for more confident and comfortable shifting.
E-Tube compatibility means that the function of the shift paddles can be customised to suit the rider.
The Di2 R9150 shifters now include Synchro Shift technology that automatically moves the rear derailleur when the front ring is changed or moves the front chainring with the rear shifts to optimise chain-line and drivetrain efficiency.
Dura-Ace Di2 R9150 2×11 STI Shifter Set Features:
Material: Carbon Composite Plastic (Hood)
More control and confidence in race conditions
Dedicated brake lever shape, stroke, contact point, stiffness and dedicated shift paddles
More intuitive, quicker shifting operation
More defined click feeling and ergonomic shift lever position
Each switch has the option for multi-shift On or Off
Ideal ergonomic cover shape with better thickness and tenderness
Simple set up and maintenance
Easy replace hood cover
Customise the shifts to suit your riding style
Weight: 460g (Pair)
Dura-Ace Di2 R9150 Rear Derailleur
The Dura-Ace Di2 R9150 Rear Derailleur takes the Shadow technology from its mountain bike range and introduces it to the road. The shadow design places the rear derailleur under the chainstay and cassette to give a slimmer profile, which not only helps with aerodynamics but also offers extra protection in crashes.
The Shadow design offers faster wheel changes thanks to the fact that it moves the derailleur out of the way of the dropouts. It also offers faster and more precise shifting than ever before.
The new derailleur comes in only one cage size that will work with cassette sprockets up to 30T. With this new Di2 9150 groupset, Shimano brings Synchro Shift to the road too. This technology allows you to shift to higher or lower gears with your right-hand shifter and both front and rear derailleurs will operate to optimise chain-line. It will also automatically shift the rear mech when you change from the large ring to the inner ring to maintain smoothness.
Dura-Ace Di2 R9150 Rear Derailleur Features:
Maximum Sprocket: 30T
Minimum Sprocket: 11T
Maximum Front Difference: 16T
Total Capacity: 35T
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