INCLUDES:
- RD-R8150 Ultegra 12v Di2 rear derailleur
- Di2 FD-R8150 double derailleur
- Front disc brake kit ST-R8170 (L), BR-R8170 (F)
- Rear disc brake kit ST-R8170 (R), BR-R8170 (R)
- 12v CS-R8100, 11-30t Ultegra cassette
- Cranks 12v FC-R8100, 50/34t, 175mm
- Chain + QL CN-M8100 12v
- EW-EC300 charging cable
- Internal battery BT-DN300
- EW-SD300 E-Tube Di2 Electric Cable
THE SCIENCE OF SPEED
With great speed comes great responsibility. That is why they have taken a comprehensive approach that is totally focused on performance to make the new ULTEGRA groupset even faster. Whether you're competing in local races, trying to break your personal best, or just enjoying the ride and the rump, the new 12-speed road groupset offers unmatched control and comfort, every time. THE SIENCE OF SPEED and this is what sets Shimano apart.
CLEANER COCKPIT
A sleek new wireless cockpit provides simplicity, clean aesthetics, improved ergonomics and easier maintenance. This is thanks to the new binalambric system that we have developed to make change even faster. without affecting precision or reliability. The road bike has never had such good sensations.
ULTRA-FAST CONTINUOUS CHANGE
Shimano's innovation in ultra-fast shifting provides an intuitive and uninterrupted road cycling experience. Innovative HYPERGLIDE + technology lets you climb, sprint or flatten without having to stop to think about your next gear shift. The new Di2 shifting system uses our exclusive wireless technology to deliver the fastest and most accurate shifting on the market. Battery life is also best-in-class, with a centralized battery offering approximately 1000 kilometers on a single charge.
THE WORLD'S MOST ADVANCED TRANSMISSION
The ULTEGRA r8100 groupset is our fastest and most inspired drivetrain at this level and boasts a host of innovative features. HYPERGLIDE + technology comes to road cycling for the first time. The new Di2 shifting system introduces our exclusive wireless IC. Meanwhile, shifting to a 12-speed cassette ensures that you have the full range of gears you need. New to ULTEGRA, the potentiometer takes Shimano's power data precision to a new, more accessible level. Ergonomics and aerodynamics have been improved with every turn. And obviously, you can configure the drivetrain however you like thanks to Shimano's easy-to-use E-TUBE app.
OPTIMIZED BRAKING CONTROL
Quieter and smoother, the new ULTEGRA brake system means you can enjoy even more precise modulation and stop control on every ride thanks to Shimano's proven SERVO WAVE ACTIVATION technology and improved brake lever ergonomics. Completely redesigned hydraulic disc brakes are easier to maintain and balance speed control with stopping power like never before. In addition, the new design of the brake calipers minimizes friction. A great braking achievement, ULTEGRA lets you focus on the next sprint, the next downhill, or conversations when you ride with the rump.
COMPONENTS
HOLLOWTECH II 2x12-speed crankset
An integral part of Shimano's new 12-speed road line, the FC-R8100 crank builds on Shimano's legendary front derailleur and drivetrain efficiency. With further enhancements to deliver a seamless 12-speed shifting, the Ultegra crank is now offered in lengths from 160 to 175mm, offering performance and a better fit for smaller riders, triathletes and riders with specific biomechanical requirements.
- Optimal balance of stiffness, strength, weight and turning performance
- HOLLOWGLIDE structure reduces weight and maintains resistance for better power transfer and faster, more precise front derailleur
- Chainring options 52-36 and 50-34
HYPERGLIDE + sprocket cassette (12-speed)
Shimano HYPERGLIDE + cassettes have revolutionized offroad shifting with their smooth shifting up or down the gear range. Now is the time for technology to change road cycling. Even during peak efforts on a climb or racing with a friend, riders no longer need to step back to make a change. In any gear, Shimano Ultegra R8150 drivetrains maximize efficiency thanks to larger sprockets and maintain compatibility with existing Hyperglide hub bodies. All this while increasing to 12 gears, the Ultegra CS-R8100 cassettes are the new paradigm in road cycling.
- Combination of 12 gait steps provides maximum efficiency and acceleration performance for any situation
- Faster, smoother shifting under maximum pedaling force
- Compatible with new 12-speed and 11-speed highway FREEHUB body
SHIMANO SHADOW RD
With the fastest and most accurate shifting on the market, the new Ultegra R8150 12-speed rear derailleur is more versatile than ever thanks to a single box length option compatible with 11-28, 11-30, and 11-34 cassettes.
- Fastest rear derailleur to date, 58% faster than RD-R9150
- Compact design includes integrated wireless unit, charger and switch
- LED status indicator (battery, pairing, setting mode, synchro switch)
- Longer range capacity with a low max sprocket: 34T
Derailleur
By combining the new SHIMANO DI2 platform and the road incarnation of Hyperglide +, the Ultegra R8150 front derailleur shifts between chainrings with the fastest and smoothest action on the market.
- Fastest front derailleur to date, 45% faster than RD-R9150
- Smaller, thinner and lighter thanks to a 33% reduced frontal area and a weight of just 116 g
- Top Gear Tooth Capacity: 50-54T
DUAL CONTROL LEVER for hydraulic disc brake (2x12 speed)
Shimano's new Ultegra ST-R8170 brake levers provide better modulation and control by employing Shimano's proven SERVO WAVE technology. The new DI2 platform, used in Dura-Ace and Ultegra, disconnects the shifters while providing the world's fastest and most reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better.
- Clear cockpit: wireless connection improves aerodynamic effect and offers easy maintenance
- Unrivaled ergonomic design developed in collaboration with professional cyclists
- Optimized brake control with lighter, smoother lever action and improved modulation thanks to an enlarged brake control area
- High energy efficiency of electronic components. 1.5-2 year battery life with easy-to-change CR1632 changer batteries
- Also available in rim brake version
Hydraulic disc brake bridge
The Ultegra R8170 disc brake caliper brings a new level of control to the world of road cycling with improved modulation and a faster initial braking point. Despite its smaller construction, the system is quieter than ever and easy to maintain.
- 10% greater pad clearance reduces brake noise
- Easy maintenance purge process
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