Bike-on-Bike
Default Config
Default Config
Insights
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Cannondale Topstone
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A21
Geometry
Stack | 646mm | 619mm -27mm |
Reach | 397mm | 403mm +6mm |
Stack to Reach Ratio | 1.63:1 | 1.54:1 |
Seat Tube Length, C-T | 590mm | 560mm -30mm |
Top Tube Length, Effective/Horizontal HT Top | 593mm | 594mm +1mm |
Top Tube Length, Actual C-C | 574mm | — |
Top Tube Slope | 8.2deg | 8.4deg +0.2deg |
Head Tube Angle | 70.7deg | 70deg -0.7deg |
Seat Tube Angle | 73.1deg | 73deg -0.1deg |
Head Tube Length | 196mm | 188mm -8mm |
Bottom Bracket Drop | 74mm | 73mm -1mm |
Bottom Bracket Height | 277mm | 266mm -11mm |
Chainstay Length | 420mm | 430mm +10mm |
Chainstay Length Horizontal | 413.4mm | 423.8mm +10.4mm |
Front-Center | 659mm | 654mm -5mm |
Front-Center Horizontal | 655.6mm | 649.2mm -6.4mm |
Wheelbase | 1069mm | 1073mm +4mm |
Fork Offset/Rake | 55mm | 45mm -10mm |
Trail | 64.7mm mid/neutral | 75.5mm +10.8mm high |
Mechanical Trail | 61mm | 70.9mm +9.9mm |
Wheel Flop | 20.2mm | 24.3mm +4.1mm |
Standover Height | 864mm | — |
Tire to Pedal Spindle | 138mm 170 mm cranks | 145mm +7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 107mm 170 mm cranks | 96mm -11mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 40mm | 47mm +7mm |
Tire Outer Diameter | 702mm | 678mm -24mm |
Bike Length with Tires | 1771mm | 1751mm -20mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Carbon/Composite | Titanium |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | https://www.cannondale.com/en-us/bikes/road/gravel/topstone-carbon/topstone-carbon-1-axs | https://www.serk.cc/a21/ |
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