2026 Cannondale Synapse Carbon 4

Roll smooth, roll fast, roll confident. The Synapse Carbon 4 brings Cannondale's most comfortable, all-around, up-for-anything road machine within reach, pairing an endurance-tuned carbon frame with wireless Shimano 105 Di2 shifting for effortless miles on any road.

Frame: Synapse Carbon, Proportional Response size-specific construction, integrated cable routing, downtube Stashport, BSA threaded 68mm BB, flat mount brake, 12x142mm thru-axle, UDH, integrated seat binder, SmartSense Gen 2.0 compatible, fender mounts
Fork: Synapse Carbon, integrated crown race, Proportional Response size-specific design, 12x100mm thru-axle, flat mount brake, internal routing, 1-1/8" to 1-1/2" Delta steerer, 55mm offset, fender mounts
Headset: Integrated, 1-1/8" - 1-1/2"
Shifters: Shimano 105 Di2 R7170, wireless, hydraulic disc, 2x12-speed
Front Derailleur: Shimano 105 Di2 FD-7150, braze-on
Rear Derailleur: Shimano 105 Di2 RD-7150
Crank: Shimano 105 FC-7100, 50/34T
Cassette: Shimano 105 CS-7100, 11-34T, 12-speed
Chain: Shimano 105 CN-7100, 12-speed
Bottom Bracket: Shimano BSA, 68mm, threaded
Brakes: Shimano 105 Di2 R7170 hydraulic disc, 160/160mm RT70 rotors
Rims: DT Swiss R470 DB, 28h
Hubs: (F) Shimano RS470, 12x100mm centerlock / (R) Shimano RS470, 12x142mm centerlock
Spokes: Stainless steel, 14g
Tyres: Vittoria Rubino Pro IV, 700x32c
Handlebar: Vision Trimax Aero Alloy, 400-420mm (size-specific)
Stem: Cannondale C1 Conceal, 6061 Alloy, 31.8mm, -6°
Grips: Cannondale Bar Tape, 3.5mm
Seatpost: Cannondale C1 Aero 27 Carbon, 330mm, SmartSense compatible
Saddle: Fizik Vento Argo X5, 140mm