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