Cannondale Synapse Carbon 4 Review 2023

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Quick Jump Links: Full List of Specs | What’s good | What’s not so good | Our Verdict

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Type: Road bike | Frame Material: Carbon |  Brakes: Hydraulic Discs | Best for: Long rides

YesCycling Score – 9.2/10

Full List of Specs 🔧

Frame: Synapse Carbon, SmartSense enabled, Proportional Response size-specific design, BSA threaded BB, flat mount brake, 12x142mm thru-axle
Fork: Synapse Carbon, integrated crown race, Proportional Response size-specific design, 12x100mm thru-axle, thru-tube internal routing
Headset: Synapse Sealed Bearing, integrated, 1-1/4″-1-1/8″
Rear Derailleur: Shimano Tiagra GS
Front Derailleur: Shimano Tiagra, braze-on
Shifters: Shimano Tiagra hydraulic disc, 10-speed
Chain: Shimano HG54, 10-speed
Crank: Shimano Tiagra, BSA, 50/34
Rear Cogs: Shimano Tiagra, 11-34, 10-speed
Bottom Bracket: Shimano BSA
Brakes: Shimano Tiagra hydraulic disc, 160/160mm RT64 rotors
Brake Levers: Shimano Tiagra hydraulic
Rims: RD 3.1, 28h, 21mm IW
Spokes: Stainless Steel, 14g
Tires: Vittoria Zaffiro Pro Reflective, 700 x 30c
Tire Size: 30
Wheel Size: 700c
Hubs: (F) Formula CL-712, 12x100mm centerlock / (R) Formula RXC-400, 12x142mm centerlock
Front and Rear Tires: Vittoria Zaffiro Pro Reflective, 700 x 30c
Handlebar: Cannondale 3, 6061 Alloy, Compact
Stem: Cannondale 3, 6061 Alloy, 31.8, 7°
Saddle: Fizik Aliante Delta, S-alloy rails

What’s good 👍

  • Super lightweight carbon construction
  • Full 10-Speed Shimano Tiagra groupset
  • Extraordinary best-in-class saddle
  • Very precise and powerful hydraulic disc brakes
  • Thru-axle is compatible with bike trainers
  • Excellent 35mm tire clearance for the wet season
  • It comes with a lot of mounts, including fender compatibility
  • Fuss-free riding experience
  • Modern electronics ( SmartSense light and sensor system )

What’s not so good 👎

  • Eye-watering price tag
  • The wheels are a bit heavy

Our Verdict 🎗

Should you buy it, avoid it or shortlist it?

We think that you should buy it.

Cannondale Synapse Carbon 4 is an excellent modern carbon road bike with world-class components. It looks amazing, rolls smooth, fast, and confidently for most cyclists. If you can spend $2,400 on a road bike, then this bike should be on top of your list.

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About Alek Asaduryan

Alek Asaduryan is the founder of YesCycling and has been riding bikes and in the cycling industry since 1991. Since then, his mission is to make cycling more accessible to everyone. And each year, he continues to help more people to achieve that. When he's not out riding his beloved fitness bike, Alek reports on news, gear, guides, and all things cycling related.

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