Synapse Carbon 4 2026

Discover the unparalleled joy of road riding with the Cannondale Synapse Carbon 4 2025. This high-performance bike strikes the perfect balance between agility and comfort, making it an ideal choice for both racing and gravel adventures. With its lightweight design and flexibility, it offers the ultimate road biking experience.

Bike of the year 2025 WINNER

'Against fierce rivals for the crown, and after extensive testing in all conditions, the Synapse stood out for its perfect balance of comfort, handling, fit, innovative features and outstanding value' - BikeRadar

Key Features - 

• Rigid and Responsive  -The Cannondale Synapse Carbon 4 2025 frame boasts a lightweight and responsive design, utilizing the same geometry and carbon construction as the high-end Synapse models. With a Proportional Response size-specific carbon layup, all riders experience the same ride quality, maintaining a consistent blend of rigidity and compliance across all sizes for a customized fit.
• Strong and Smooth -With DT Swiss Rim's laced to Shimano Disc Brake Hubs, the Cannondale Synapse Carbon 4 2025 provides a smooth and effortless ride.
• Intelligent Shifting -To go a level up with the Cannondale Synapse Carbon 4 2025, this features Shimano's Di2 system, the Shimano 105 Di2 12 Speed utilizes a hybrid system, featuring a wireless cockpit paired with a wired connection between a single, seat-tube-stored battery and the front and rear derailleurs, ensuring absolute reliability in all conditions.

Specifications:

Frame - Synapse Carbon, Proportional Response construction, integrated cable routing, downtube Stashport, 12x142 thru-axle, UDH, BSA 68mm threaded BB, flat mount disc, integrated seat binder, SmartSense Gen 2.0 compatible, fender mounts
Fork - Synapse Carbon, integrated crown race, 12x100mm thru-axle, flat mount disc, internal routing, 1-1/8” to 1-1/5” Delta steerer, 55mm offset, fender mounts
Rims - DT Swiss E550, 28h, tubeless ready
Hubs - (F) Shimano RS470, 12x100mm centerlock / (R) Shimano RS470, 12x142mm centerlock
Spokes - Stainless Steel, 14g
Tyres - Vittoria Rubino Pro IV, 700x32c
Pedals - Not included
Crank - Shimano 105 7100, BSA, 50/34
Bottom Bracket - Shimano BSA 68
Chain - Shimano 105 7100, 12-speed
Cassette - Shimano 105 7100, 11-34, 12-speed
Front Derailleur - Shimano 105 Di2 7150, braze-on
Rear Derailleur - Shimano 105 Di2 7150
Shifters - Shimano 105 Di2 R7170, wireless, 12-speed
Handlebar - Vision Trimax Aero Alloy
Grips - Cannondale Bar Tape, 3.5mm
Stem - Cannondale C1 Conceal, Alloy, 31.8, -6°
Headset - Integrated, 1-1/8” - 1-1/2”
Brakes - Shimano 105 7170 hydraulic disc, 160/160mm RT70 rotors
Brake Levers - Shimano 105 Di2 7170 hydraulic disc
Saddle - Fizik Vento Argo X5, 140mm
Seatpost - Cannondale C1 Aero 27 Carbon, SmartSense compatible, 0mm offset (44-48cm), 20mm offset (51-61cm)
Sizes - 44, 48, 51, 54, 56, 58, 61cm