Shimano Dura-Ace R9100 11 Speed Road Groupset View larger

Shimano Dura-Ace R9100 11 Speed Road Groupset


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Shimano Dura-Ace R9100 11 Speed Road Groupset

Shimano's top-end 11-speed mechanical drivetrain, the Dura-Ace R9100 range is specifically designed for road bikes and with racing in mind. This is clearly seen with the amount of attention that has been given to each component's finer details, which cleanly and accurately work together. If you're looking for performance on the road that's truly unparalleled when you're on the road, look no further.

Key Features

  • Colour: Black
  • Size: 11-25t, 11-28t, 11-30t
  • Teeth: 50-34t (Compact), 52-36T (Semi-Compact)
  • Speed: 11 Speed
  • Length: 175mm, 172.5mm, 170mm
  • Material: Alloy
  • Front Derailleur Type: Braze On
  • Rear Derailleur Type: Short Cage (SS): 25-28T cassettes, Medium Cage (GS): 30-34T
  • BB: 68mm Threaded BSA (included)

Dura-Ace R9100 Chainset

This lightweight and stiff 11-speed 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 crank set to work with disc brake road bikes that generally have 135mm rear hub spacing and shorter chain-stays, without the need to increase Q-factor thanks to its wider chainring spacing. This stunning road bike chainset comes in numerous gear combinations to best suit each individual rider’s needs.


  • 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 road 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.


  • 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)
  • Inner cables included
  • Weight: 365g (Pair)

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, there is no need for inline barrel adjusters, so you'll benefit from quick and easy customisation. Finally, its internal toggle mechanism delivers greater clearance for larger tyres.


  • Top Gear Teeth: 46-55T
  • Chainstay Angle: 61-66
  • Chain Line: 43.5  
  • Mount Type: Braze On
  • Natural front shift lever stroke
  • Available wider front gear pitch
  • 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 (approximate)

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.


  • 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 (approximate)

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 road bike brakes are excellent for both cornering and tackling all the challenges of a long day in the saddle.


  • Mount Type: SLR EV Dual Pivot
  • Reach: 41-51mm
  • 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 reduces the weight and offers maximum precision for better control and more confidence when racing. You'll benefit from fast, accurate and smooth shifting.


  • Material: Spider Arm: CFRP & Alloy; Sprockets: Titanium; Lock-ring: Alloy
  • Nickel-plated finish offers hard wearing resistance to corrosion
  • Rider tuned gearing
  • Lightweight  
  • Compatible with most 9,10 and 11 Shimano type freehubs  
  • Speed: 11-speed
  • Weight: 175g (11-25T), 193g (11-28T), 211g (11-30T)

Shimano Dura-Ace R9100 Bottom Bracket

The Shimano Dura-Ace R9100 Bottom Bracket features smaller lightweight bearings and an advanced seal construction for smoother rotation and increased durability. It is designed to work in combination with the Dura-Ave R9100 crankset to offer optimum stiffness and a smoother pedal stroke.


  • Small bearings offer light weight  
  • Advanced seal construction for smoother rotation  
  • 68mm Threaded BSA type

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.


  • PTFE coating
  • 114 Links
  • Supplied with Joining Pin
  • 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).


  • Colour: Black
  • Size: 11-28t, 11-30t, 11-25t
  • Teeth: 52.36t
  • Speed: 11 Speed Double
  • Length: 175mm, 172.5mm, 170mm
  • Material: Aluminium
  • Derailleur Type: Braze On

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