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Cannondale Synapse Carbon 3 vs Cannondale Synapse Carbon 4

Cannondale Synapse Carbon 3, side view

Cannondale

Synapse Carbon 3

Cannondale Synapse Carbon 4, side view

Cannondale

Synapse Carbon 4

High endEnduranceCarbon700c2026
High endEnduranceCarbon700c2026

Two builds of the Cannondale Synapse line: 9 differences, mostly in the components.

Cannondale Synapse Carbon 3, side viewCannondaleCannondale Synapse Carbon 3
Cannondale Synapse Carbon 4, side viewCannondaleCannondale Synapse Carbon 4

At a glance

  • Cannondale Synapse Carbon 3 has the shorter lowest gear: 11 km/h at 90 rpm, against 12 km/h.
Key specs3 differences
Model yearSame for all 2026 2026
FrameSame for all Carbon
As printed

Synapse Carbon, Proportional Response construction, integrated cable routing, downtube Stashport

 Carbon
As printed

Synapse Carbon, Proportional Response construction, integrated cable routing, downtube Stashport

Wheelset 700c · DT Swiss E1800 Spline, 24h, tubeless ready 700c · DT Swiss R470 DB, 28h
DrivetrainSame for all 2×12 2×12
Groupset SRAM Rival AXS Shimano 105 Di2
Brake model SRAM Rival AXS hydraulic disc Higher range Shimano 105 7170 hydraulic disc

Prices

Each model's retailers, delivered to your country, and their prices over time.

Cannondale Synapse Carbon 3

Cannondale Synapse Carbon 3

Cannondale Synapse Carbon 4

Cannondale Synapse Carbon 4

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Character

  • Synapse Carbon 3 · Road bike average gearing, rather high equipment.
  • Synapse Carbon 4 · Road bike average gearing, rather high equipment.

Gearing

Speed in the lowest and the highest gear at 90 rpm: lower on the left climbs easier, higher on the right goes faster.

  • Cannondale Synapse Carbon 311 km/h - 54 km/h
  • Cannondale Synapse Carbon 412 km/h - 53 km/h
Easiest gear (climbing)Hardest gear (descending)
Cannondale Synapse Carbon 3Cannondale Synapse Carbon 4

Components and specs

Every spec line by line; the higher range of a component is marked. The technical groups are folded.

Ride type
Ride typeSame for all Endurance
As printed

bikes/road/endurance; Comfortable high-performance road riding, long distance missions, fast group rides

 Endurance
As printed

bikes/road/endurance; Comfortable high-performance road riding, long distance missions, fast group rides

Frame and fork
ForkSame for all Carbon
As printed

Synapse Carbon, integrated crown race, 12x100mm thru-axle, flat mount disc

 Carbon
As printed

Synapse Carbon, integrated crown race, 12x100mm thru-axle, flat mount disc

Max tyre clearanceSame for all 42 mm 42 mm
AxlesSame for all Thru-axles °Value not published by the brand
As printed

Synapse Carbon, Proportional Response construction, integrated cable routing, downtube Stashport, 12x142 thru-axle, UDH, BSA 68mm threaded BB, flat mount disc,

 Thru-axles °Value not published by the brand
As printed

Synapse Carbon, Proportional Response construction, integrated cable routing, downtube Stashport, 12x142 thru-axle, UDH, BSA 68mm threaded BB, flat mount disc,

Cable routingSame for all Fully integrated °Value not published by the brand
As printed

integrated cable routing

 Fully integrated °Value not published by the brand
As printed

integrated cable routing

Drivetrain6 differences
Groupset brand SRAM
As printed

SRAM Rival AXS

 Shimano
As printed

Shimano 105 Di2

Shifting Electronic, wireless Electronic, wired
As printed

Shifters: Shimano 105 Di2 R7170, wireless, 12-speed

ChainringsSame for all 2 °Value not published by the brand 2 °Value not published by the brand
Gears at the backSame for all 12 12
Chainring teeth SRAM Rival 46/33 Shimano 105 7100 50/34
Cassette SRAM Rival 10-36 Shimano 105 7100 11-34
Rear derailleur SRAM Rival AXS °Value not published by the brand Shimano 105 Di2 7150 °Value not published by the brand
Shifters SRAM Rival AXS °Value not published by the brand Shimano 105 Di2 R7170, wireless, 12-speed °Value not published by the brand
Brakes
BrakesSame for all Hydraulic disc
As printed

SRAM Rival AXS hydraulic disc

 Hydraulic disc
As printed

Shimano 105 7170 hydraulic disc

Front rotorSame for all 160 mm 160 mm
Rear rotorSame for all 160 mm 160 mm
Wheels and tyres
Wheel sizeSame for all 700c / 29"
As printed

Vittoria Rubino Pro IV, 700x32c

 700c / 29"
As printed

Vittoria Rubino Pro IV, 700x32c

RimsSame for all Aluminium °Value not published by the brand Aluminium °Value not published by the brand
Tubeless ready yes °Value not published by the brand–Not given
TyresSame for all Vittoria Rubino Pro IV, 700x32c Vittoria Rubino Pro IV, 700x32c
Tyre width fittedSame for all 32 mm 32 mm

° Value not published by the brand

Where to buy them

Compare the whole Cannondale Synapse range

Frequently asked questions

What groupset do Cannondale Synapse Carbon 3 and Cannondale Synapse Carbon 4 come with?

Cannondale Synapse Carbon 3: SRAM Rival AXS. Cannondale Synapse Carbon 4: Shimano 105 Di2.

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