Cannondale Synapse Carbon 2 2025
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Experience a smooth, fast, and confident ride on the road with Synapse - the ultimate comfortable, all-around, versatile, and high-performing road bike.
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
The Synapse Carbon 2 benefits from Cannondale’s Proportional Response carbon construction, which tailors frame stiffness and compliance to each size for a confident, balanced ride across the range The frame itself is lightweight—sub‑1150 g—which, combined with aerodynamic, wind‑tunnel‑inspired tube shaping, creates a refined stiffness-to-weight ratio and a sleek aesthetic
Cannondale has integrated smart functionality into the design, featuring:
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A StashPort in the downtube for discreet internal storage—a clever way to stash essentials without cluttering the frame
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Integrated cable routing, flat-mount disc brake compatibility, and hidden fender mounts provide clean lines and practical versatility
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Tailored geometry and increased tire clearance (supporting up to ~42 mm tires) deliver stability and comfort, especially on rough roads or long rides
The 2025 Cannondale Synapse Carbon 2 masterfully blends aerodynamic design, frame comfort, and top-tier components into one cohesive endurance-focused package. With a lightweight yet compliant carbon frame, thoughtful storage integration, and a high-performance Shimano Ultegra Di2 drivetrain all wrapped in clean, aerodynamic lines, it’s built for riders who demand both speed and all-day comfort
SPECIFICATION -
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 ERC 45, carbon, 24mm inner width, 45mm depth, 24h, tubeless ready
Hubs - (F) DT Swiss 370, 12x100mm centerlock / (R) DT Swiss 370, 12x142mm centerlock
Spokes - DT Swiss
Tyres - Vittoria Rubino Pro IV, 700x32c
Pedals - Not included
Crank - Shimano Ultegra R8100, 50/34
Bottom Bracket - Shimano BSA 68
Chain - Shimano Ultegra, 12-speed
Cassette - Shimano Ultegra R8100, 11-34, 12-speed
Front Derailleur - Shimano Ultegra Di2 R8150
Rear Derailleur - Shimano Ultegra Di2 R8150
Shifters - Shimano Ultegra Di2 R8170, wireless, 12-speed
Handlebar - Vision Trimax Aero Alloy
Grips - Fizik Tempo Bondcush Soft, 3mm
Stem - Cannondale C1 Conceal, Alloy, 31.8, -6°
Headset - Integrated, 1-1/8” - 1-1/2”
Brakes - Shimano Ultegra R8170, 160/160mm CL800 rotors
Brake Levers - Shimano Ultegra Di2 R8170 hydraulic disc
Saddle - Fizik Vento Argo X5, 140mm
Seatpost - HollowGram 27 SL, Carbon, 2 bolt clamp, 330mm, 15mm offset
Sizes - 48, 51, 54, 56, 58, 61cm
Extras - Large StashBag downtube storage bag
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