This complete Shimano 105 R7100 Di2 12-speed electronic build kit is an excellent solution for completing your modern road frameset with precision shifting and lightweight carbon performance. Featuring fully wireless Di2 shifters, smooth hydraulic disc braking, and a tubeless-ready Aeolus Pro 37 carbon wheelset, this take-off kit covers all the essentials for a high-performance road setup.
Please note: This kit was removed from a brand-new, unridden bike. Components may show light signs of installation (torque marks, minor scuffs). Includes only the items shown in the photos.
Included in this kit:
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Shimano 105 Di2 R7170 Shifters – 12-Speed
Wireless dual control levers with smooth, responsive electronic shifting and ergonomic design.
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Shimano 105 R7150 Di2 Front Derailleur – Braze-On
Down-swing front derailleur compatible with 2x12 Di2 setups, delivering quick and reliable front shifts.
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Shimano 105 R7150 Di2 Rear Derailleur
Compatible with up to a 36T max cog, integrated charge port and Bluetooth connectivity.
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Shimano 105 7101 Cassette – 11-34T, 12-Speed
Wide-range cassette offering smooth gear progression ideal for rolling terrain and climbing.
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Shimano SLX M7100 12-Speed Chain
Durable and efficient chain with dynamic chain engagement for crisp and quiet shifting.
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Shimano BR-R7170 Hydraulic Disc Calipers (Front & Rear)
Flat-mount calipers with excellent modulation and heat-dissipating finned resin pads.
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Shimano RT70 Centerlock Rotors – 160mm (Front & Rear)
Smooth, quiet braking with consistent performance under load.
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Bontrager Aeolus Pro 37 Carbon Wheelset – Tubeless Ready
OCLV Carbon construction with 37mm depth. Lightweight, aero, and road-race ready.
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Bontrager R3 Hard-Case Lite Tires – 700x32c
Tubeless Ready with aramid bead and 120 TPI casing for performance and durability.
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Bontrager Pro IsoCore VR-SF Handlebar – 42cm
IsoCore carbon construction for vibration damping and fatigue reduction on long rides.
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Trek RCS Pro Stem – 90mm Length, -7° Rise
Lightweight alloy stem with clean lines and integrated Blendr compatibility.
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Bontrager Verse Short Elite Saddle – 145mm Width
Short-nose design with hollow stainless steel rails for comfort and support across riding positions.
Why this kit?
Perfect for riders finishing a frameset build, this setup combines Shimano’s latest wireless Di2 performance with a proven carbon wheelset, high-end contact points, and reliable braking—ready to ride with minimal fuss.
