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    • Shimano Dura-Ace R9100 11 Speed Groupset


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  • Shimano Dura-Ace R9100 11-Speed Groupset

    This high-quality groupset is specifically designed for road use and is the result of Shimano's ongoing passion for technology. This is reflected in its attention to detail in every single component, as they all work together as one. This is the ultimate choice of upgrade for unparalleled performance out on the road.

    Dura-Ace R9100 Crankset

    This lightweight and stiff chainset offers a completely re-designed profile to give you top-level shifting performance. It features Shimano's iconic 4-arm hollow spider that's constructed from hollow-forged aluminium for increased stiffness and reduced weight. Shimano has adapted the crankset to work with disc brake road bikes that generally have 135mm rear hub spacing and shorter chainstays, without the need to increase Q-factor thanks to its wider chainring spacing. This stunning version comes in numerous gear combinations to best suit each individual riders needs.

    Crankset Features:

    • Best balance for lighter weight (-7g) and efficiency
    • Maintains high rigidity and reduces weight
    • Shorter length of rear centre with O.L.D.135mm
    • Optimum power transfer
    • Iconic design
    • Adapted for race-specific disc brake systems
    • Rider tuned gearing options

    Dura-Ace R9100 2x11sp STI Shifter Set

    These superb shifters offer improved ergonomics and shifting efficiency allowing you to benefit from a smoother and more reliable shifting experience. 14mm of reach adjustment means you can customise them to suit your specific riding style and maintain a comfortable grip on the re-designed brake hoods. To top it off, the rear shifter features a shorter lever stroke for quicker shifts with less effort, making it perfect for both club riding and racing.

    Shifter Set Features:

    • Shorter lever stroke
    • Lighter front shifting operation
    • More customisable and precise lever position
    • Easy brake control Hydraulic Brake
    • Quick and intuitive rear shifting operation
    • Comfortable grip and operation
    • Consistent braking performance in all weather conditions
    • Expanded reach adjustment range (14mm)
    • Weight: 365g (Pair)

    Dura-Ace R9100 Rear Derailleur

    This top-quality rear mech takes Shadow technology from Shimano’s MTB range and introduces it to the road. The Shadow design places the rear derailleur under the chainstay and cassette to give you a slimmer profile, which not only improves aerodynamics but also helps prevent damage in a crash. Additionally, 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.

    Rear Derailleur Features:

    • Maximum Sprocket: 30T
    • Minimum Sprocket: 11T
    • Maximum Front Difference: 16T
    • Total Capacity: 35T
    • Pulley follow-up in certain distance
    • Low profile rear derailleur design
    • Stable shifting performance
    • Race endurance for less damage in crash
    • Adapted for race specific frame design
    • Weight: 158g (approx)

    Dura-Ace R9100 11-speed Braze On Front Mech

    This stunning front derailleur is smaller, more efficient and provides faster and crisper shifting. Featuring a built-in cable tension adjustment bolt meaning there is no need for inline barrel adjusters, you'll benefit from quick and easy customisation. Finally, its internal toggle mechanism delivers greater clearance for larger tyres.

    Front Mech Features:

    • Top Gear Teeth: 46-55t
    • Chainstay Angle: 61-66
    • Chain Line: 43.5
    • Natural front shift lever stroke
    • Available wider front gear pitch
    • More ergnomical power curve
    • Integrated cable tension adjustment
    • Adjustable cable tension on the front derailleur
    • Lighter and intuitive shifting operation
    • Precise & easy front derailleur set up
    • Adapted for race specific frame design
    • Weight: 70g (approx)

    Dura-Ace R9100 Road Brake Caliper Set

    These high-quality caliper brakes deliver more precise and controlled braking performance, so you can maintain the edge over your competitors. Developed to offer greater tyre clearance for up to 28c tyres, their aerodynamic profile allows for an advantage over previous models. 43% stiffer than before, you'll enjoy their improved feel and function thanks to a linear braking curve. These phenomenal brakes are excellent for both cornering and tackling all the challenges of a long day in the saddle.

    Caliper Set Features:

    • Mount Type: SLR EV Dual Pivot
    • More predictable, linear braking curve
    • Clear contact feeling with better linearity
    • Less gap between each arm
    • Better clearance for wider tyres
    • The best balance between rigidity, weight and stopping power
    • Sleek design
    • Comfortable riding with wider tyres on rough roads
    • Weight: 326g (Pair)

    Dura-Ace R9100 Cassette

    This lightweight cassette features gears that match your riding style as well as your chosen terrain thanks to Shimano's rider-tuned cassette sprockets. Its titanium sprocket construction makes it a tough component for tough rides and offers maximum precision for better control and more confidence when racing. You'll benefit from fast, accurate and smooth shifting.

    Dura-Ace R9100 Cassette Features:

    • Material: Spider Arm: CFRP & Alloy; Sprockets: Titanium; Lockring: Alloy
    • Nickel-plated finish offers hard wearing resistance to corrosion
    • Rider tuned gearing
    • Lightweight
    • Weight: 175g (11-25T), 193g (11-28T), 211g (11-30T)

    Dura Ace 11-speed Chain CN-9000 114 Links

    This reliable 11 speed model is perfect for finishing off this groupset without adding any unnecessary weight. Its hollow pin construction means it weighs in at only 243g, so you won't have to worry about weighing down your drivetrain. Additionally, its PTFE coating increases its durability while fighting against corrosion, so you can enjoy smooth shifting and acceleration on every ride.

    Chain Features:

    • PTFE coating
    • Increased durability (vs. CN-7900)
    • Weight: 243g

    Please note that this groupset does not come supplied with outer cables.

    A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).

    Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.


    • Colour: Black
    • Size: 11-28t, 11-25t, 11-30t
    • Teeth: 50.34t, 52.36t
    • Speed: 11 Speed
    • Length: 175mm, 172.5mm, 170mm
    • Material: Alloy
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    RRP £1874.99
    £1049.99 - £1178.99 1049.99 1178.99
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