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
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A21
Geometry
Stack | 554mm | 548mm -6mm |
Reach | 364mm | 364mm +0mm |
Stack to Reach Ratio | 1.52:1 | 1.51:1 |
Seat Tube Length, C-T | 410mm | 485mm +75mm |
Top Tube Length, Effective/Horizontal HT Top | 532mm | 523mm -9mm |
Top Tube Length, Actual C-C | 510mm | — |
Top Tube Slope | 18.5deg | 9.3deg -9.2deg |
Head Tube Angle | 69.9deg | 70deg +0.1deg |
Seat Tube Angle | 73.1deg | 74deg +0.9deg |
Head Tube Length | 97mm | 110mm +13mm |
Bottom Bracket Drop | 79mm | 75mm -4mm |
Bottom Bracket Height | 272mm | 264mm -8mm |
Chainstay Length | 420mm | 430mm +10mm |
Chainstay Length Horizontal | 412.5mm | 423.4mm +10.9mm |
Front-Center | 601mm | 589mm -12mm |
Front-Center Horizontal | 596.5mm | 584.6mm -11.9mm |
Wheelbase | 1009mm | 1008mm -1mm |
Fork Offset/Rake | 55.1mm | 45mm -10.1mm |
Trail | 69.8mm high | 75.5mm +5.7mm high |
Mechanical Trail | 65.5mm | 70.9mm +5.4mm |
Wheel Flop | 22.5mm | 24.3mm +1.8mm |
Standover Height | 716mm | — |
Tire to Pedal Spindle | 80mm 170 mm cranks | 80mm +0mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 102mm 170 mm cranks | 94mm -8mm 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 | 1711mm | 1686mm -25mm |
| 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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