2025 Cannondale Synapse Lab71 Carbon 51.0
Build
700C/29 in × 32 mm
Insights
Average stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Cannondale Synapse
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 550mm |
| Reach | 376mm |
| Stack to Reach Ratio | 1.46:1 |
| Seat Tube Length, C-T | 443mm |
| Top Tube Length, Effective/Horizontal HT Top | 544mm |
| Top Tube Length, Actual C-C | 497mm |
| Top Tube Slope | 14deg |
| Head Tube Angle | 71.3deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 127mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 268mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 418.3mm |
| Front-Center | 599.4mm |
| Front-Center Horizontal | 594.7mm |
| Wheelbase | 1013mm |
| Fork Offset/Rake | 55mm |
| Trail | 58mm mid/neutral |
| Mechanical Trail | 55mm |
| Wheel Flop | 17.6mm |
| Standover Height | 752mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 86.4mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 98mm |
Lab71 Carbon Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1699mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.cannondale.com/en-eu/bikes/road/endurance/synapse-carbon/synapse-lab71-smartsense-smu