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Synapse 3

Synapse 3

Smooth, fast, and confidence-inspiring, the Cannondale Synapse 3 is built for those who love the open road—whether it’s rolling hills, rough pavement, or long-distance rides. The lightweight SmartForm C2 Alloy frame and full carbon fork absorb road chatter for a comfortable, responsive feel. Shimano Sora 9-speed shifting delivers reliable performance, while powerful mechanical disc brakes ensure all-weather stopping power. With clearance for 32mm tires, balanced geometry, and plenty of mounts for bottles and gear, Synapse Alloy is as versatile as it is smooth. Ride longer, ride farther—Synapse is ready.

Frameset

Frame:
Lightweight SmartForm C2 Alloy, SmartSense compatible, BSA threaded BB, internal cable routing, flat mount, 142x12 thru-axle, hidden rack/fender mounts
Fork:
Synapse Carbon, integrated crown race, 12x100mm thru-axle, internal routing, flat mount brake, fender mounts
Headset:
Integrated, 1-1/8" - 1.5"

Drivetrain

Rear Derailleur:
Shimano Sora GS, 9-speed
Front Derailleur:
Shimano Sora, 2x
Shifters:
Shimano Sora, 2x9-speed
Chain:
KMC Z9, 9-speed
Crank:
FSA Vero Compact, 50/34
Rear Cogs:
Shimano Sora, 11-34, 9-speed
Bottom Bracket:
FSA cartridge

Brakes

Brakes:
Promax Decoder R mechanical disc, 160/160mm rotors
Brake Levers:
Shimano Sora

Wheels

Rims:
RD 3.1, 28h
Spokes:
Stainless steel, 14g
Hubs:
(F) Formula RX-512, 12x100mm centerlock / (R) Formula RX-142, 12x142mm centerlock
Front Tire:
Vittoria Zaffiro, 700x30c
Rear Tire:
Vittoria Zaffiro, 700x30c

Components

Handlebar:
Cannondale 4, 6061 Alloy, Compact
Stem:
Cannondale 3, 6061 Alloy, 31.8, 7°
Grips:
Cannondale Bar Tape, 3.5mm
Saddle:
Cannondale Stage CX
Seatpost:
Cannondale 4, 6061 Alloy, 27.2x350mm

Note: Specifications are subject to change without notice based on component availability.

Size Height Range
44
5’0”

5’4”
48
5’2”

5’6”
51
5’5”

5’9”
54
5’7”

5’11”
56
5’9”

6’1”
58
6’0”

6’4”
61
6’3”

6’8”

Geometry

Cannondale Synapse Alloy geometry

Select Color
Select Size
From $363.65

Original: $1,039.00

-65%
Synapse 3—

$1,039.00

$363.65
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Description

Smooth, fast, and confidence-inspiring, the Cannondale Synapse 3 is built for those who love the open road—whether it’s rolling hills, rough pavement, or long-distance rides. The lightweight SmartForm C2 Alloy frame and full carbon fork absorb road chatter for a comfortable, responsive feel. Shimano Sora 9-speed shifting delivers reliable performance, while powerful mechanical disc brakes ensure all-weather stopping power. With clearance for 32mm tires, balanced geometry, and plenty of mounts for bottles and gear, Synapse Alloy is as versatile as it is smooth. Ride longer, ride farther—Synapse is ready.

Frameset

Frame:
Lightweight SmartForm C2 Alloy, SmartSense compatible, BSA threaded BB, internal cable routing, flat mount, 142x12 thru-axle, hidden rack/fender mounts
Fork:
Synapse Carbon, integrated crown race, 12x100mm thru-axle, internal routing, flat mount brake, fender mounts
Headset:
Integrated, 1-1/8" - 1.5"

Drivetrain

Rear Derailleur:
Shimano Sora GS, 9-speed
Front Derailleur:
Shimano Sora, 2x
Shifters:
Shimano Sora, 2x9-speed
Chain:
KMC Z9, 9-speed
Crank:
FSA Vero Compact, 50/34
Rear Cogs:
Shimano Sora, 11-34, 9-speed
Bottom Bracket:
FSA cartridge

Brakes

Brakes:
Promax Decoder R mechanical disc, 160/160mm rotors
Brake Levers:
Shimano Sora

Wheels

Rims:
RD 3.1, 28h
Spokes:
Stainless steel, 14g
Hubs:
(F) Formula RX-512, 12x100mm centerlock / (R) Formula RX-142, 12x142mm centerlock
Front Tire:
Vittoria Zaffiro, 700x30c
Rear Tire:
Vittoria Zaffiro, 700x30c

Components

Handlebar:
Cannondale 4, 6061 Alloy, Compact
Stem:
Cannondale 3, 6061 Alloy, 31.8, 7°
Grips:
Cannondale Bar Tape, 3.5mm
Saddle:
Cannondale Stage CX
Seatpost:
Cannondale 4, 6061 Alloy, 27.2x350mm

Note: Specifications are subject to change without notice based on component availability.

Size Height Range
44
5’0”

5’4”
48
5’2”

5’6”
51
5’5”

5’9”
54
5’7”

5’11”
56
5’9”

6’1”
58
6’0”

6’4”
61
6’3”

6’8”

Geometry

Cannondale Synapse Alloy geometry