2025 Cannondale Synapse Carbon 5

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
Average stack and reachvs category
Average stack and reachvs category

Geometry

56
58
Stack
590mm
610mm
Reach
387mm
393mm
Stack to Reach Ratio
1.52:1
1.55:1
Seat Tube Length, C-T
520mm
550mm
Top Tube Length, Effective/Horizontal Center
567mm
580mm
Top Tube Slope
9.8deg
8.6deg
Head Tube Angle
71.3deg
71.3deg
Seat Tube Angle
73deg
73deg
Head Tube Length
171mm
196mm
Bottom Bracket Drop
73mm
70mm
Bottom Bracket Height
270mm
273mm
Chainstay Length
430mm
430mm
Chainstay Length Horizontal
423.8mm
424.3mm
Front-Center
624.5mm
637.6mm
Front-Center Horizontal
620.2mm
633.7mm
Wheelbase
1044mm
1058mm
Fork Offset/Rake
55mm
55mm
Fork Length (Axle-To-Crown)
393mm
393mm
Trail
58mm
mid/​neutral
58mm
mid/​neutral
Mechanical Trail
55mm
55mm
Wheel Flop
17.6mm
17.6mm
Standover Height
815mm
843mm
Tire to Pedal Spindle
111.5mm
170 mm cranks
124.6mm
170 mm cranks
Pedal Spindle to Ground Clearance
100mm
170 mm cranks
103mm
170 mm cranks

Carbon 5 Build

56
58
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
32mm
32mm
Tire Outer Diameter
686mm
686mm
Bike Length with Tires
1730mm
1744mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Endurance Road