2025 Cannondale Bikes Synapse Carbon all version
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
44 | 48 | 51 | 54 | 56 | 58 | 61 | |
Stack | 510mm | 530mm | 550mm | 570mm | 590mm | 610mm | 640mm |
Reach | 366mm | 371mm | 376mm | 381mm | 387mm | 393mm | 402mm |
Stack to Reach Ratio | 1.39:1 | 1.43:1 | 1.46:1 | 1.5:1 | 1.52:1 | 1.55:1 | 1.59:1 |
Seat Tube Length, C-T | 407mm | 407mm | 443mm | 480mm | 520mm | 550mm | 590mm |
Top Tube Length, Effective/Horizontal Center | 522mm | 533mm | 544mm | 555mm | 567mm | 580mm | 598mm |
Top Tube Length, Actual C-C | 478mm | 486mm | 497mm | 509mm | 523mm | 537mm | 556mm |
Head Tube Angle | 69.8deg | 70.9deg | 71.3deg | 71.3deg | 71.3deg | 71.3deg | 71.3deg |
Effective Seat Tube Angle, Seat Tube Top | 73deg | 73deg | 73deg | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 91mm | 108mm | 127mm | 150mm | 171mm | 196mm | 227mm |
Bottom Bracket Drop | 75mm | 75mm | 75mm | 73mm | 73mm | 70mm | 70mm |
Bottom Bracket Height | 268mm | 268mm | 268mm | 270mm | 270mm | 273mm | 273mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 418.3mm | 418.3mm | 418.3mm | 418.7mm | 423.8mm | 424.3mm | 424.3mm |
Front-Center | 589mm | 592mm | 600mm | 612mm | 624mm | 638mm | 657mm |
Front-Center Horizontal | 584.7mm | 586.7mm | 594.7mm | 607.3mm | 620.2mm | 633.7mm | 652.7mm |
Wheelbase | 1003mm | 1005mm | 1013mm | 1026mm | 1044mm | 1058mm | 1077mm |
Fork Offset/Rake | 55mm | 55mm | 55mm | 55mm | 55mm | 55mm | 55mm |
Fork Length (Axle-To-Crown) | 393mm | 393mm | 393mm | 393mm | 393mm | 393mm | 393mm |
Trail | 67.6mm high | 60.6mm mid/​neutral | 58mm mid/​neutral | 58mm mid/​neutral | 58mm mid/​neutral | 58mm mid/​neutral | 58mm mid/​neutral |
Mechanical Trail | 63.4mm | 57.2mm | 55mm | 55mm | 55mm | 55mm | 55mm |
Wheel Flop | 21.9mm | 18.7mm | 17.6mm | 17.6mm | 17.6mm | 17.6mm | 17.6mm |
Standover Height | 714mm | 722mm | 752mm | 785mm | 815mm | 843mm | 878mm |
Tire to Pedal Spindle | 76mm 170 mm cranks | 79mm 170 mm cranks | 87mm 170 mm cranks | 99mm 170 mm cranks | 111mm 170 mm cranks | 125mm 170 mm cranks | 144mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 98mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks | 100mm 170 mm cranks | 100mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks |
all version Build
44 | 48 | 51 | 54 | 56 | 58 | 61 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm |
Tire Width Max | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm |
Tire Outer Diameter | 686mm | 686mm | 686mm | 686mm | 686mm | 686mm | 686mm |
Bike Length with Tires | 1689mm | 1691mm | 1699mm | 1712mm | 1730mm | 1744mm | 1763mm |
Stem Angle | -6deg | -6deg | -6deg | -6deg | -6deg | -6deg | -6deg |
Published Sizing Recommendations
Height | 152 cm to 162 cm | 157 cm to 167 cm | 165 cm to 175 cm | 170 cm to 180 cm | 175 cm to 185 cm | 182 cm to 193 cm | 190 cm to 203 cm |
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 ScaleCategory Trend
Endurance RoadSource:https://www.cannondale.com/en/bikes/road/endurance/synapse-carbon