Bike-on-Bike
Default Config
Default Config
Insights
Average 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 | 579mm | 575mm -4mm |
Reach | 378mm | 377mm -1mm |
Stack to Reach Ratio | 1.53:1 | 1.53:1 |
Seat Tube Length, C-T | 482mm | 510mm +28mm |
Top Tube Length, Effective/Horizontal HT Top | 554mm | 549mm -5mm |
Top Tube Length, Actual C-C | 531mm | — |
Top Tube Slope | 12.8deg | 9.4deg -3.4deg |
Head Tube Angle | 70.7deg | 70deg -0.7deg |
Seat Tube Angle | 73.1deg | 73.5deg +0.4deg |
Head Tube Length | 123mm | 139mm +16mm |
Bottom Bracket Drop | 76mm | 75mm -1mm |
Bottom Bracket Height | 275mm | 264mm -11mm |
Chainstay Length | 420mm | 430mm +10mm |
Chainstay Length Horizontal | 413.1mm | 423.4mm +10.3mm |
Front-Center | 617mm | 612mm -5mm |
Front-Center Horizontal | 612.9mm | 606.6mm -6.3mm |
Wheelbase | 1026mm | 1030mm +4mm |
Fork Offset/Rake | 55.5mm | 45mm -10.5mm |
Trail | 64.1mm mid/neutral | 75.5mm +11.4mm high |
Mechanical Trail | 60.5mm | 70.9mm +10.4mm |
Wheel Flop | 20mm | 24.3mm +4.3mm |
Standover Height | 772mm | — |
Tire to Pedal Spindle | 96mm 170 mm cranks | 103mm +7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 105mm 170 mm cranks | 94mm -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 | 1728mm | 1708mm -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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