Shimano Ultegra R8150 Di2 Groupset 2x12S Power Sensor without Chainring Rim Brakes 11/30

The Shimano Ultegra Di2 groupset goes to 12 speed! The new groupset is 100% performance oriented and even faster. Whether you're racing in regional races, trying to beat your personal best or just riding for fun with friends, the 12-speed Ultegra groupset offers unrivalled control and comfort, all day, every day.

• A sleeker cockpit

The sleek, wireless cockpit provides simplicity, clean looks, improved ergonomics and easier maintenance. The new wireless system makes shifting gears faster, without compromising accuracy and reliability.

• Fast, continuous shifting

Hyperglide Plus technology changes the rules of the game, allowing you to climb, sprint or ride without stopping to think about your next gear change. The new Di2 system uses the brand's exclusive wireless technology to ensure faster and more accurate shifting. The battery life allows you to ride 1000 km before needing to be charged.

• The world's most inspired drivetrain

The Ultegra R8100 groupset has the fastest and most inspired drivetrain on the market and is packed with innovative features, such as Hyperglide Plus technology, which is coming to the road for the first time. The new Di2 shifting system features a wireless integrated circuit. At the same time, the change to a 12-speed cassette ensures that you have the full development range you need. The power sensor takes Shimano power data accuracy to a new, more accessible level. Ergonomics and aerodynamics have been improved in every respect. And you can configure the drivetrain the way you like it via Shimano's user-friendly E-Tube application.

• Precise braking

The Ultegra R8100 brake calipers offer a crisp feel with the best balance of stiffness, weight and braking power. With the improved 28mm tyre clearance, the stylish design is still top notch.

Groupset composition

Power sensor crankset (sold without chainring)

• Range: Ultegra FC-R8100-P, 12-speed
• Crank length: 170 / 172.5 / 175 mm
• BCD: 110 mm
• Arms: 4
• Technology: Hollowtech II

Rear Derailer

• Range: Ultegra RD-R8150 Di2
• Number of gears: 12
• Total capacity: 39 teeth
• Max. small sprocket teeth: 14 teeth
• Toothing: 11 teeth
• Minimum large sprocket teeth: 28 teeth
• Compatible chain: HG 12-speed

Front derailleur

• Range: Ultegra FD-R8150 Di2
• Number of gears: 2
• Total capacity: 16 teeth
• Mounting type: Braze-on
• Mechanism type: High collar
• Maximum gearing: 50-54 teeth
• Compatible chain: HG 12 speed

Rim brakes

• Range: BR-R8100
• Max. tyre size: 28C : 28C
• Rim width: 20.8 - 28 mm
• Standard pads: R55C4
• Mounting: Traditional

Shifters

• Range: Ultegra ST-R8150 Di2
• Shifter type: Dual Control
• Number of gears: 2x12
• Brake type: rim brake

Cassette

• Range: Ultegra CS-R8100
• Number of gears: 12
• Toothing: 11-30
• Sprockets: 11-12-13-14-15-17-19-21-24-27-30
• Technology: Hyperglide Plus
• Compatible chain : HG 12 speed

Chain

• Range: CN-M8100
• Number of speeds: 12
• Number of links: 126

Internal battery

• Range: BT-DN300
• Rated voltage: 7.4V
• Rated capacity: 3.7 Wh
• Type: Built-in

4 External power cables EW-SD300 (500 / 600 / 1000 / 400 mm)
Charger cable EW-EC300 (1700 mm)
Di2 connection box EW-JC304 SD3000 4 ports