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 | 575mm | 580.6mm +5.6mm |
Reach | 377mm | 380mm +3mm |
Stack to Reach Ratio | 1.53:1 | 1.53:1 |
Seat Tube Length, C-T | 510mm | — |
Seat Tube Length, Unknown | — | 510mm |
Top Tube Length, Effective/Horizontal HT Top | 549mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 557.6mm |
Top Tube Slope | 9.4deg | 10deg +0.6deg |
Head Tube Angle | 70deg | 70.3deg +0.3deg |
Seat Tube Angle | 73.5deg | 73deg -0.5deg |
Head Tube Length | 139mm | 160mm +21mm |
Bottom Bracket Drop | 75mm | 75mm +0mm |
Bottom Bracket Height | 264mm | 276mm +12mm |
Chainstay Length | 430mm | 430mm +0mm |
Chainstay Length Horizontal | 423.4mm | 423.4mm +0mm |
Front-Center | 612mm | 618.1mm +6.1mm |
Front-Center Horizontal | 606.6mm | 614.2mm +7.6mm |
Wheelbase | 1030mm | 1037.6mm +7.6mm |
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 | — | 810.6mm |
Tire to Pedal Spindle | 103mm 170 mm cranks | 97.1mm -5.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 94mm 170 mm cranks | 106mm +12mm 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 | 1708mm | 1739.6mm +31.6mm |
| 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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