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 Serk Titanium A21
Average stack and reach vs trend of all-road/gravel bikes
Geometry
Stack | 619mm | 637.1mm +18.1mm |
Reach | 403mm | 410mm +7mm |
Stack to Reach Ratio | 1.54:1 | 1.55:1 |
Seat Tube Length, C-T | 560mm | — |
Seat Tube Length, Unknown | — | 580mm |
Top Tube Length, Effective/Horizontal HT Top | 594mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 604.8mm |
Top Tube Slope | 8.4deg | 8.1deg -0.3deg |
Head Tube Angle | 70deg | 70.3deg +0.3deg |
Seat Tube Angle | 73deg | 73deg +0deg |
Head Tube Length | 188mm | 220mm +32mm |
Bottom Bracket Drop | 73mm | 75mm +2mm |
Bottom Bracket Height | 266mm | 276mm +10mm |
Chainstay Length | 430mm | 430mm +0mm |
Chainstay Length Horizontal | 423.8mm | 423.4mm -0.4mm |
Front-Center | 654mm | 664.4mm +10.4mm |
Front-Center Horizontal | 649.2mm | 664.4mm +15.2mm |
Wheelbase | 1073mm | 1087.8mm +14.8mm |
Fork Offset/Rake | 45mm | 50mm +5mm |
Fork Length, Unknown | — | 394mm |
Trail | 75.5mm high | 72.6mm -2.9mm high |
Mechanical Trail | 70.9mm | 68.3mm -2.6mm |
Wheel Flop | 24.3mm | 23mm -1.3mm |
Standover Height | — | 869.8mm |
Tire to Pedal Spindle | 145mm 170 mm cranks | 143.4mm -1.6mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 96mm 170 mm cranks | 106mm +10mm 170 mm cranks |
Build
Wheel Size | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 47mm | 40mm -7mm |
Tire Width Max | 55mm | — |
Tire Outer Diameter | 678mm | 702mm +24mm |
Bike Length with Tires | 1751mm | 1789.8mm +38.8mm |
| 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 | Unknown |
Meta
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