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 | 615mm | 597mm -18mm |
Reach | 389mm | 390mm +1mm |
Stack to Reach Ratio | 1.58:1 | 1.53:1 |
Seat Tube Length, C-T | 554mm | 535mm -19mm |
Top Tube Length, Effective/Horizontal HT Top | 576mm | 569mm -7mm |
Top Tube Length, Actual C-C | 557mm | — |
Top Tube Slope | 8.8deg | 8.8deg +0deg |
Head Tube Angle | 70.7deg | 70deg -0.7deg |
Seat Tube Angle | 73.1deg | 73.5deg +0.4deg |
Head Tube Length | 164mm | 164mm +0mm |
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 | 641mm | 633mm -8mm |
Front-Center Horizontal | 636.6mm | 628.2mm -8.4mm |
Wheelbase | 1050mm | 1052mm +2mm |
Fork Offset/Rake | 54.9mm | 45mm -9.9mm |
Trail | 64.8mm mid/neutral | 75.5mm +10.7mm high |
Mechanical Trail | 61.2mm | 70.9mm +9.7mm |
Wheel Flop | 20.2mm | 24.3mm +4.1mm |
Standover Height | 831mm | — |
Tire to Pedal Spindle | 120mm 170 mm cranks | 124mm +4mm 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 | 1752mm | 1730mm -22mm |
| 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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