Shimano 105 Di2 12-Speed Groupset with Aeolus Pro 51 Carbon Wheelset & Carbon Handlebars - Complete Road Bike Upgrade Kit for Disc Brake Bikes | Perfect for Competitive Cycling & Endurance Rides

Shimano 105 R7100 Di2 12-Speed Build Kit w/ Aeolus Elite 50 Wheels – Take-Off

This complete Shimano 105 Di2 12-speed electronic build kit is the ideal way to finish your road frameset with wireless precision shifting and deep-section carbon wheels. Taken from a brand-new, unridden bike, it includes everything you need for a fast and responsive ride—from a full 2x12 drivetrain to race-ready contact points and high-performance carbon wheels.

Please note: This is a take-off kit from a new, unridden bike. Components may show light signs of install. Only includes the items shown in photos.

Included in this kit:

• Shimano 105 R7170 Di2 Shifters – 12-Speed
  Wireless electronic shift/brake levers with comfortable ergonomics and fast, reliable shifting.

• Shimano 105 R7150 Di2 Front Derailleur – Braze-On
  Compact and efficient down-swing design for smooth 2x12 Di2 shifting.

• Shimano 105 R7150 Di2 Rear Derailleur – 36T Max Cog
  Bluetooth-enabled with integrated charging and seamless wireless performance.

• Shimano 105 R7100 Crankset – 50/34T, 175mm Arms
  Compact gearing ideal for mixed terrain, with a smooth and stiff forged crank arm design.

• Shimano 105 7101 Cassette – 11-34T, 12-Speed
  Wide gear range to tackle everything from steep climbs to fast descents.

• Shimano SLX M7100 12-Speed Chain
  Designed for smooth engagement and shifting under load.

• Shimano 105 Hydraulic Disc Calipers – Flat Mount (Front & Rear)
  Confident braking with excellent modulation and Shimano resin pads.

• Shimano RT70 Centerlock Rotors – 160mm (Front & Rear)
  Lightweight rotors with quiet, consistent braking.

• Bontrager Aeolus Elite 50 Carbon Wheels – Tubeless Ready
  OCLV Carbon construction with 50mm rim depth. Thru axle: 100x12mm front, 142x12mm rear, Shimano 11-speed freehub.

• Bontrager R3 Tires – 700x25c, 120 TPI
  High-performance road tires with aramid bead for grip and speed.

• Bontrager RSL Aero Handlebar – OCLV Carbon, 44cm Drop Width / 41cm Control Width
  Aero-shaped with internal Di2 routing, 80mm reach and 124mm drop.

• Trek RCS Pro Stem – 100mm Length, -7°
  Lightweight and cleanly integrated with the RSL bar and Blendr system.

• Bontrager Aeolus Comp Saddle – 145mm Width, Steel Rails
  Short-nose design for comfort in aggressive riding positions.

Why this kit?
It’s a complete, high-performance solution for anyone building up a frameset. With Shimano’s latest wireless Di2 tech, a deep carbon wheelset, and a clean cockpit, this setup is ready to turn your frameset into a fast, modern road machine.