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Summary of Reviews
We have read all expert and user reviews on this bike. In summary, this is what cyclists think.
18 reasons to buy
- Compliance is high, as the seatpost and seat stays are designed to flex for comfort on rough roads.
- On Hi-Mod models, comfort was deemed ‘highest in class’ by a number of experts.
- The Synapse came across faster than many other high-end endurance bikes.
- The large range across gears even included the 1x Apex model.
- A strong climbing ability was experienced on board this rig.
- Frames across the range were delightfully light, as were complete bikes in higher-end models.
- Beautiful, metallic-sky-blue paintwork impressed on the Apex SE.
- Shifting was smooth and easy, markedly so on the wireless eTap.
- Rims arrive tubeless-ready on the Apex.
- Comfortable 28mm tires come standard across models.
- Responsive hydraulic brakes were enjoyed on the Synapse Dura Ace.
- An expert considered the Dura Ace model to be great value at the recommended price.
- Pedaling efficiency was considered high, due to the bike’s stiff rear triangle.
- Hidden fender-mounts and an integrated seat-clamp added to the Synapse's finish.
- Clean, internal cable routing allows for upgrading to a Di2 electronic drivetrain.
- Headset sizes vary in relation to frame sizes: 1⅛ for 44-48cm, 1¼ for 51-54cm, 1⅜ for 56-61cm.
- Handling was said to be highly responsive and suited to both endurance and sprints.
- The Synapse has clearance for 32mm tires, catering to a range of uses.
13 reasons not to buy
- Both Fulcrum Racing 500 Disc wheels and Mavic Aksium Discs, were disappointingly heavy on lower-end models.
- Some reviewers felt that alloy frames transmitted more bumps and vibration to the rider.
- One expert felt that the long top-tube placed him in a posture that was ‘too stretched out’.
- For some, carbon frames were too flexy at higher speeds.
- With tire clearance being for a maximum 32mm on the Apex SE, this seemed to limit it to on-road use.
- It was felt that WTB Exposure tires were not tough enough for commuting or handling any level of debris.
- A shocking and bumpy ride was experienced by one expert, on carbon models at faster speeds.
- On the Sora model, one expert felt that Promax DSK 718R mechanical brakes lacked power. The same was true for TRP Spire C mechanical discs on the 105 SE model.
- Numerous reviewers found that the integrated seatpost clamp was tedious to adjust and led to the seatpost being susceptible to slippage.
- Hi-mod editions commanded astronomical prices.
- The two-tone paint job on a Hi-mod model did not impress one expert, while matte-white finish acted as a grime-magnet.
- Opinions were divided over the Synapse’s handlebar. One expert felt that it wasn’t ergonomic.
- The conical spacer on the steerer tube prohibited owners from fully lowering the stem.
Expert Reviews80/100 based on 16 expert reviews
Cannondale Synapse 2018 Alloy Sora
So overall, it’s decent. It’s just heavy. It’s like a ‘Walmart bike heavy’.
Cannondale 2018 Synapse Hi-Mod Review
The bike really is as good as Cannondale claims, and not just for endurance-oriented riders, but for road cycling in general.
Cannondale Synapse Hi-Mod Disc 2018 Review
…the Synapse was sublimely smooth over even the most pitted road surfaces, and grip in corners was confidence-inspiring.
Cannondale Synapse Hi-Mod Disc Dura-Ace Di2
Compared with the previous version, the new Cannondale Synapse is smoother, more comfortable, lighter and stiffer – and one of the best endurance bikes on the market right now.
Cannondale Synapse Hi-Mod Disc Red eTap Review
One of the original dedicated endurance machines has continued to impress us with regards to its stunning performance in almost all areas of riding.