The Cannondale Synapse Carbon 1 RLE is a high-end endurance road bike built around a lightweight Synapse Carbon frameset with discreet compliance zones and full SmartSense integration (radar and lights). It pairs a Shimano Dura-Ace Di2 12-speed electronic drivetrain and hydraulic disc brakes with HollowGram 45 SL KNØT carbon wheels to deliver fast, confident, and comfortable performance on varied road surfaces.

• Synapse Carbon frameset with SAVE compliance zones in rear triangle, seat tube, and seatpost for bump-absorbing comfort

• Full SmartSense system with integrated front/rear lights and radar for enhanced visibility and awareness

• Shimano Dura-Ace Di2 12-speed electronic groupset for precise, wireless shifting

• Shimano hydraulic disc brakes with 160 mm rotors front and rear for reliable stopping power

• HollowGram 45 SL KNØT carbon wheelset, tubeless-ready, optimized for low drag and high comfort

• HollowGram SAVE SystemBar one-piece carbon handlebar/stem for vibration damping and aero efficiency

• Clearance for up to 35 mm tires to balance grip and comfort on rough pavement or light gravel

• Proportional Response size-specific carbon layup and geometry tuned for efficient power transfer and confident handling

• StashPort downtube storage for tools and essentials, plus mounting points for fenders