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:
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Shimano 105 R7170 Di2 Shifters – 12-Speed
Wireless electronic shift/brake levers with comfortable ergonomics and fast, reliable shifting.
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Shimano 105 R7150 Di2 Front Derailleur – Braze-On
Compact and efficient down-swing design for smooth 2x12 Di2 shifting.
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Shimano 105 R7150 Di2 Rear Derailleur – 36T Max Cog
Bluetooth-enabled with integrated charging and seamless wireless performance.
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Shimano 105 R7100 Crankset – 50/34T, 175mm Arms
Compact gearing ideal for mixed terrain, with a smooth and stiff forged crank arm design.
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Shimano 105 7101 Cassette – 11-34T, 12-Speed
Wide gear range to tackle everything from steep climbs to fast descents.
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Shimano SLX M7100 12-Speed Chain
Designed for smooth engagement and shifting under load.
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Shimano 105 Hydraulic Disc Calipers – Flat Mount (Front & Rear)
Confident braking with excellent modulation and Shimano resin pads.
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Shimano RT70 Centerlock Rotors – 160mm (Front & Rear)
Lightweight rotors with quiet, consistent braking.
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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.
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Bontrager R3 Tires – 700x25c, 120 TPI
High-performance road tires with aramid bead for grip and speed.
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Bontrager RSL Aero Handlebar – OCLV Carbon, 44cm Drop Width / 41cm Control Width
Aero-shaped with internal Di2 routing, 80mm reach and 124mm drop.
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Trek RCS Pro Stem – 100mm Length, -7°
Lightweight and cleanly integrated with the RSL bar and Blendr system.
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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.
