Cannondale
Cannondale: Synapse Carbon 4 - 2025
Cannondale | Synapse Carbon 4 | Road Bike | Chalk

Cannondale

Cannondale: Synapse Carbon 4 - 2025

$4,599.00
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Description

Cannondale: Synapse Carbon 4 - 2025

 

Road Reimagined

Go long, go short, go fast. This is WorldTour performance for real world rides.

Model Description

Wireless brains meet all-road brawn. Synapse Carbon 4 runs Shimano 105 Di2 for a shifting experience that feels straight off the pro tour, minus the bank loan. The frame delivers that signature Synapse ride—quietly fast, endlessly composed—and plays nice with wide tires, fenders, and long days. Call it the sweet spot between Sunday speed and weekday practicality.

What it's for

Comfortable high-performance road riding, long distance missions, fast group rides

Highlights

  • Lightweight, smoothly compliant, sleekly aero Synapse carbon frameset with StashPort downtube storage
  • Shimano 105 Di2 – Impressively smooth shifting from Shimano's journeyman electronic 2x12-speed drivetrain
  • DT Swiss 470 rims with Vittoria Rubino Pro IV 32c tires - grip, durability, and speed
  • Cannondale C1 Aero 27 Carbon seatpost - speed meets comfort
  • Fizik Vento Argo R5 saddle - ergonomic comfort with pressure relieving cutout

 

Real World Performance
Designed to go fast, built to go long, and made to keep you comfortable, the Synapse redefines road performance. With a lightweight frame featuring wind-tunnel-sculpted tubing and PB-blasting stiffness-to-weight, it’s a bike that’s ready for anything you demand of it. Just ask Lachlan Morton why he trusted it for his record-smashing lap of Australia. Unreal speed, engineered for real-world roads.​
 
Compliant Comfort
With advancements in our carbon layup, our engineers have made the new Synapse 20% more compliant than its already butter-smooth predecessor, ensuring you feel 100% more comfortable even on the roughest roads.
 
Like A Glove
A great fit and feel makes for a great ride. And with our Proportional Response Construction, every rider gets that as standard. From the carbon layup through to the geometry, everything on Synapse has been tuned and tested by frame size. So that your bike works in harmony with you to give the best possible ride for you and your height.
 
Bring it all, bring it on
Our all-new StashPort storage system in the downtube is there when you need it and hidden when you don’t. Paired with its StashBag buddy, you can bring along your ride essentials and know that they’ll be secure, whatever you get up to out there. Meanwhile, best-in-class tire clearance lets you take the idea of riding for longer to a whole new level.
 

Specs

Details

  • Platform
    Synapse Carbon
  • Model Name
    Synapse Carbon 4
  • Model Code
    C12075U

Frameset

  • 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
  • Headset
    Integrated, 1-1/8" - 1-1/2"

Drivetrain

  • Rear Derailleur
    Shimano 105 Di2 7150
  • Front Derailleur
    Shimano 105 Di2 7150, braze-on
  • Shifters
    Shimano 105 Di2 R7170, wireless, 12-speed
  • Chain
    Shimano 105 7100, 12-speed
  • Crank
    Shimano 105 7100, BSA, 50/34
  • Rear Cogs
    Shimano 105 7100, 11-34, 12-speed
  • Bottom Bracket
    Shimano BSA 68

Brakes

  • Brakes
    Shimano 105 7170 hydraulic disc, 160/160mm RT70 rotors
  • Brake Levers
    Shimano 105 Di2 7170 hydraulic disc

Wheels

  • Rims
    DT Swiss R470 DB, 28h
  • Spokes
    Stainless Steel, 14g
  • Tire Size
    32
  • Wheel Size
    700c
  • Hubs
    (F) Shimano RS470, 12x100mm centerlock / (R) Shimano RS470, 12x142mm centerlock
  • Tires
    Vittoria Rubino Pro IV, 700x32c

Components

  • Handlebar
    Vision Trimax Aero Alloy
  • Stem
    Cannondale C1 Conceal, Alloy, 31.8, -6°
  • Grips
    Cannondale Bar Tape, 3.5mm
  • Saddle
    Fizik Vento Argo X5, 140mm
  • Seatpost
    Cannondale C1 Aero 27 Carbon, SmartSense compatible, 330mm length, 0mm offset (44-48cm), 15mm offset (51-61cm)

Connectivity

  • Wheel Sensor
    Cannondale Wheel Sensor

Extra

  • Extra 1
    Large StashBag downtube storage bag
     
     
     
     
     
     
     
     
     
     
     
     

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