Cannondale Synapse Carbon 2 - Endurance Road Bike

Road Reimagined

Go long. Go short. Go fast. The Cannondale Synapse Carbon 2 Di2 delivers WorldTour performance designed for real-world endurance rides.

Model Overview

Engineered for smooth, precise performance that lasts, the Synapse Carbon 2 Di2 combines Cannondale’s endurance-optimised carbon frame with Shimano’s renowned Ultegra Di2 12-speed electronic shifting and DT Swiss ERC 45 carbon wheels. The result is a bike that feels fast, refined, and ready for any distance. With massive tyre clearance, integrated storage, and a perfectly balanced geometry, it’s built for riders who demand both comfort and speed — and appreciate the silence of a drivetrain that’s always in the right gear.

Ideal For

High-performance endurance riding, long-distance adventures, and fast-paced group rides.

Key Highlights

• Lightweight Synapse Carbon Frameset – Endurance-tuned geometry with StashPort downtube storage for tools and essentials.

• Shimano Ultegra Di2 12-Speed – Effortless, accurate electronic shifting for seamless performance.

• DT Swiss ERC 45 Carbon Wheelset – Lightweight and aerodynamic with all-road versatility.

• Cannondale C1 Aero 27 Carbon Seatpost – Engineered to balance speed, compliance, and comfort.

• Fizik Vento Argo R5 Saddle – Ergonomic comfort with a pressure-relieving cutout for long days in the saddle.

Details

• Platform

  Synapse Carbon

• Model Name

  Synapse Carbon 2

• Model Code

  C12205U

Frameset

• Frame

  Synapse Carbon, Proportional Response construction, integrated cable routing, downtube Stashport, 12x142 thru-axle, UDH, BSA 68mm threaded BB, flat mount disc, integrated seat binder, SmartSense Gen 2.0 compatible, fender mounts

• Fork

  Synapse Carbon, integrated crown race, 12x100mm thru-axle, flat mount disc, internal routing, 1-1/8" to 1-1/5" Delta steerer, 55mm offset, fender mounts

• Headset

  Integrated, 1-1/8" - 1-1/2"

Drivetrain

• Rear Derailleur

  Shimano Ultegra Di2 R8150

• Front Derailleur

  Shimano Ultegra Di2 R8150

• Shifters

  Shimano Ultegra Di2 R8170, wireless, 12-speed

• Chain

  Shimano Ultegra, 12-speed

• Crank

  Shimano Ultegra R8100, 50/34: 165mm (44cm), 170mm (48-51cm), 172.5 (54-56cm), 175mm (58-61)

• Rear Cogs

  Shimano Ultegra R8100, 11-34, 12-speed

• Bottom Bracket

  Shimano BSA 68

Brakes

• Brakes

  Shimano Ultegra R8170, 160/160mm CL800 rotors

• Brake Levers

  Shimano Ultegra Di2 R8170 hydraulic disc

Wheels

• Rims

  DT Swiss ERC 45, carbon, 24mm inner width, 45mm depth, 24h, tubeless ready

• Spokes

  DT Swiss Competition

• Tire Size

  32

• Wheel Size

  700

• Hubs

  (F) DT Swiss 370, 12x100mm centerlock / (R) DT Swiss 370 LN Ratchet System, 12x142mm centerlock

• Tires

  Vittoria Rubino Pro IV, 700x32c

Components

• Handlebar

  Vision Trimax Aero Alloy: 400mm (44-51cm), 420mm (54-61cm)

• Stem

  Cannondale C1 Conceal, Alloy, 31.8, -6°: 80mm (44-48m), 90mm (51cm), 100mm (54-56cm), 110mm (58-61cm)

• Grips

  Fizik Tempo Bondcush Soft, 3mm

• Saddle

  Fizik Vento Argo X5, 140mm

• Seatpost

  Cannondale C1 Aero 27 Carbon, SmartSense compatible, 330mm length, 0mm offset (44-48cm), 15mm offset (51-61cm)

Extra

• Extra 1

  Large StashBag downtube storage bag, tubeless valves