Shimano Ultegra R8170 Di2 Groupset with Aeolus Pro 51 Carbon Wheels & Carbon Handlebars - Complete Road Bike Disc Brake Upgrade Kit for Racing & Endurance Cycling

This complete Shimano Ultegra R8170 Di2 disc brake build kit is the perfect foundation for anyone looking to finish a high-end road bike frameset. Pulled from a brand-new complete bike, this kit includes everything you need for a top-tier electronic drivetrain and braking setup—with premium Bontrager Aeolus carbon wheels, tires, and cockpit components to match.

Please note: This is a take-off kit from a new bike. Components may show light signs of installation (such as mounting marks or minor scuffs), but all parts are in excellent condition and have never been ridden.

• Includes only the items shown in the photos. No additional accessories or parts are included.

Kit Includes:

• Drivetrain & Brakes:

  • Shimano Ultegra R8170 Di2 hydraulic disc brake shifters

  • Shimano BR-R8170 Flat Mount Calipers (Front & Rear)

  • Shimano Ultegra RD-R8150 12-Speed Rear Derailleur

  • Shimano Ultegra FD-R8150 Braze-On Front Derailleur

  • Shimano FC-R8100 Crankset, 52/36T, 172.5mm

  • Shimano CN-M8100 12-Speed Chain

  • Shimano Ultegra 11-30T Cassette

  • Shimano RT-CL800 160mm Centerlock Rotors (Front & Rear)

  • Di2 Battery, Charger, and Wires (600mm and 650mm)

• Cockpit & Saddle:

  • Bontrager RSL Carbon Handlebar, 42cm drop width / 39cm control width

  • Bontrager RCS Pro Blendr Stem, 100mm, -7°

  • Bontrager Aeolus Comp Saddle, 145mm width, Steel Rails

• Wheelset & Tires:

  • Bontrager Aeolus Pro 51 Carbon Wheels (Front & Rear)

  • Bontrager R3 Tires (mounted, with inner tubes)

Why This Kit?
If you’ve got a road bike frameset and are looking to build it up with no guesswork, this premium-level parts kit gives you modern 12-speed electronic shifting, powerful disc brakes, and a full carbon wheel upgrade—all in one package. Whether you're racing, training, or upgrading your ride, this is the all-in-one solution to get rolling fast.