Synapse
Origin
The Synapse is Cannondale's endurance road bike — built for long days, mixed roads and all-day comfort rather than pure aero racing. Its standout feature on the current carbon generation is SmartSense: a single downtube battery powers a bright front light, a rear light, and a rear-facing radar that warns of approaching traffic, all managed through the Cannondale app. Add the downtube StashPort storage and integrated routing, and the Synapse becomes a clean, safety-forward platform for endurance and gran-fondo riders.
Specifications
- Frame
- Synapse Carbon, Proportional Response (size-specific), integrated cable routing, downtube StashPort storage, 12x142 mm thru-axle, UDH, BSA 68 mm threaded BB, flat-mount disc, integrated seat binder
- Drivetrain
- SRAM Rival/Force AXS 2x12 wireless, or Shimano 105/Ultegra (build-dependent)
- Brakes
- Hydraulic disc, flat mount
- Wheels
- 700c, tubeless-ready
The verdict
- Integrated SmartSense lights + radar add real-world safety
- Comfortable, stable endurance geometry for long rides
- Clean integration: StashPort storage, hidden routing, tidy cockpit
- SmartSense adds weight and yet another battery to charge
- Radar/light reliance can be a downside if the system fails mid-ride
- Endurance focus means it's less razor-sharp than an aero race bike
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