System engineering at its peak. Each of the components magnifies the qualities of the others for an unparalleled level of performance. Optimising input to maximize output. That's how it achieves supremacy. The Shimano Dura Ace R9150 Di2 11 Speed Groupset contains the following: Shimano ST-R9150 Dual Control Levers (2 x 11 Speed) More control and confidence in race conditions Optimally balanced hydraulic brake system for racing Dedicated brake lever shape, stroke, contact point, stiffness and dedicated shift paddles Light weight Carbon composite plastic material of hood More intuitive, quicker shifting operation More defined click feeling and ergonomic shift lever position Customisable function to fit any riding style Each switch has the option for multi-shift ON or OFF E-TUBE project Optimum power transmitted with grip firmly Ideal ergonomic cover shape with better thickness & tenderness Openable hood cover Simple set up and maintenance Easy replace hood cover Openable hood cover Customisable the function to fit in rider's riding style Shimano RD-R9150 Rear Derailleur (11-speed) Features: Ergonomic shifting operation without stress SHIMANO synchronised shift Low profile rear derailleur design SHIMANO SHADOW RD Race endurance for less damage in crush Maintains compact and smooth appearance Specifications: Series: DURA-ACE Maximum Sprocket: 30T Minimum Sprocket: 11T Maximum Front Difference: 16T Total Capacity: 33T Average Weight: 204g Shimano FD-R9150 Front Derailleur (2x11-speed) Features: Ergonomic shifting operation without stress SHIMANO synchronised shift Race endurance for less damage in crush Quick and smooth front shifting under high pedalling torque Maintains compact and smooth appearance Specifications: Series: DURA-ACE Top Gear Teeth: 46-55T Chain Stay Angle: 61-66° Chain Line: 43.5 Shimano FC-R9100 Crankset (2x11-speed) Features: Optimum power transfer Best balance for lighter weight (-7g) and efficiency New designed crank arm Maintains high rigidity and reduces weight HOLLOWGLIDE 4-arm construction crankset Adapted for race specific disc brake system Shorter length of rear centre with O.L.D.135mm Redesign the gear teeth profile to fit wider gear pitch Rider tuned gearing options 50-34T/53-39T/54-42T/55-42T/52-36T Iconic design Crank arm length: 165, 167.5, 170, 172.5, 175, 177.5, 180mm Gear combination: 50-34T, 52-36T, 53-39T, 54-42T, 55-42T Specifications: Series: DURA-ACE Crank Construction: HOLLOWTECH II technology Crank Arm Length: 165, 167.5, 170, 172.5, 175, 177.5, 180mm Bottom Bracket: BB-R9100, BB-R9100-PB Chain Line: 43.5 Shimano BR-R9100 Dual-Pivot Brake Caliper Features: The best balance between rigidity, weight and stopping power More predictable, linear braking curve Clear contact feeling with better linearity Stabilizer added between axles work Sleek design Less gap between each arms Comfortable riding with wider tire on rough road Better clearance with wider tire Compatible with 28C tire size Brake Type: SLR EV Dual Pivot Shimano CS-R9100 HG Cassette Sprocket (11-speed) Features: Rider tuned gearing Wider gear combination: 11-28T/12-28T/11-30T (new gear combination) Closer gear combination: 11-25T/12-25T Lightweight CFRP & Alloy spider arm, 5 titanium sprockets Gear combination: 11-25T, 11-28T, 11-30T (New gear combination), 12-25T, 12-28T Specifications: Series: DURA-ACE Average Weight: 175g (11-25T) Option 1: 11-25T/11-28T/11-30T/12-25T/12-28T Shimano CN-HG901-11 Chain Features: Smooth and reliable shifting performance with asymmetric plate design for 11-speed SIL-TEC surface treatment 11-speed compatible Specifications: Series: SHIMANO Chain Type: HG-X11 Pin Link Plate: SIL-TEC Roller Link Plate: SIL-TEC Bottom Bracket: Complete press-fit bottom bracket assembly for Shimano HollowTech II road cranks. Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage. Set includes left and right hand cups, inner cover, and inner O-rings. Sealed cups keep out dirt and water. Maintenance free. Compatible with 86.5mm shells. 41mm cup diameter. Easy press-fit installation.

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