Cannondale Synapse 1 (Black)
Road Reimagined
Roll smooth, roll fast, roll confident. Wherever the road takes you, roll with Synapse – our most comfortable, all-around, up-for-anything, pure road machine.
What it's for
Enjoyable road riding with comfort, speed, and finesse.
Where it thrives
The open road, up & down hills, rough pavement
What it's built for
Comfort, handling, going long
Highlights
- Lightweight SmartForm C2 Alloy Frame w/ full carbon fork
- Shimano's legendary 105 12-speed group - incredible performance value
- Shimano 105 hydraulic disc brakes for smooth, controllable braking
- Cannondale Wheel Sensor provides a connected ride experience - ride tracking, service reminders, and more.
- Light, durable DT Swiss R470 wheels with 700x30c Vittoria tires
- Custom top-tube bag and trainer axle caps included
So Smooth
With Synapse Alloy, comfort is built in. Synapse Alloy’s frame tubes are shaped and butted with absolute precision to help absorb road chatter and bumps without adding weight or isolating you from the ride experience.



So Ready
Don’t sweat the small stuff. Synapse comes with a Contain top tube bag on some models. It’s easy to load and easy to reach while you’re riding. Bring snacks, tools, a map, or whatever else will help you go farther.







Specs
Details
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PlatformSynapse
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Model NameSynapse 1
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Model CodeC12503U
Frameset
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FrameLightweight SmartForm C2 Alloy, SmartSense compatible, BSA threaded BB, internal cable routing, flat mount, 142x12 thru-axle, hidden rack/fender mounts
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ForkSynapse Carbon, integrated crown race, 12x100mm thru-axle, internal routing, flat mount brake, fender mounts
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HeadsetIntegrated, 1-1/8" - 1-1/4"
Drivetrain
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Rear DerailleurShimano 105 7100, 12-speed
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Front DerailleurShimano 105 7100, braze-on
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ShiftersShimano 105 7100, 12-speed
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ChainShimano 105 7100, 12-speed
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CrankShimano RS520, 50/34
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Rear CogsShimano 105 7100, 12-speed, 11-34
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Bottom BracketShimano BB-RS500, BSA
Brakes
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BrakesShimano 105 7170 hydraulic disc, 160/160mm RT64 centerlock rotors
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Brake LeversShimano 105 7100 hydraulic disc
Wheels
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RimsDT Swiss R470 DB, 28h
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SpokesStainless Steel, 14g
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Tire Size30
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Wheel Size700
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Hubs(F) Formula CL-712, 12x100mm centerlock / (R) Formula RXC-400, 12x142mm centerlock
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TiresZaffiro Pro Bright Black Reflective, 700x30c
Components
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HandlebarCannondale 3, 6061 alloy, Compact
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StemCannondale 3, 6061 Alloy, 31.8, 7°
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GripsCannondale Bar Tape, 3.5mm
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SaddleFizik Aliante Delta, S-alloy rails
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SeatpostCannondale 3, 6061 Alloy, 27.2x350mm
Connectivity
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Wheel SensorCannondale Wheel Sensor
Extra
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Extra 1Trainer axle end caps
Geometry