Bike-on-Bike
Default Config
48
No Diagram
Default Config
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A30M
Average stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Cervelo Cycles Caledonia
Geometry
Stack | 506mm | 505mm -1mm |
Reach | 366mm | 360mm -6mm |
Stack to Reach Ratio | 1.38:1 | 1.4:1 |
Seat Tube Length, C-T | 470mm | — |
Top Tube Length, Effective/Horizontal Center | — | 502mm |
Top Tube Length, Effective/Horizontal HT Top | 506mm | — |
Top Tube Slope | 6.2deg | — |
Head Tube Angle | 70.5deg | 70.5deg +0deg |
Seat Tube Angle | 74.5deg | 74.5deg +0deg |
Head Tube Length | 93mm | 89.5mm -3.5mm |
Bottom Bracket Drop | 73mm | 76.5mm +3.5mm |
Bottom Bracket Height | 266mm | 264.5mm -1.5mm |
Chainstay Length | 420mm | 415mm -5mm |
Chainstay Length Max | — | 415mm |
Chainstay Length Horizontal | 413.6mm | 407.9mm -5.7mm |
Chainstay Length Horizontal Max | — | 407.9mm |
Front-Center | 577mm | 579.4mm +2.4mm |
Front-Center Horizontal | 572.4mm | 574.3mm +1.9mm |
Wheelbase | 986mm | 982.2mm -3.8mm |
Wheelbase Max | — | 982.2mm |
Fork Offset/Rake | 50mm | 59mm +9mm |
Trail | 67mm high | 58.2mm -8.8mm mid/neutral |
Mechanical Trail | 63.2mm | 54.8mm -8.4mm |
Wheel Flop | 21.1mm | 18.3mm -2.8mm |
Standover Height | — | 701mm |
Tire to Pedal Spindle | 68mm 170 mm cranks | 73.4mm +5.4mm 165 mm cranks |
Pedal Spindle to Ground Clearance | 96mm 170 mm cranks | 99.5mm +3.5mm 165 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 28mm | 30mm +2mm |
Tire Outer Diameter | 678mm | 682mm +4mm |
Bike Length with Tires | 1664mm | 1664.2mm +0.2mm |
Crank Length | — | 165mm |
Handlebar Width | — | 38cm |
Stem Length | — | 80mm |
Stem Angle | — | -6deg |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Titanium | Carbon/Composite |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | https://www.serk.cc/a30m/ | https://www.cervelo.com/en-US/bikes/caledonia |
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