Bike-on-Bike
Default Config
Default Config
Insights
Average stack and reach vs trend of all-road/gravel bikes
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A21
Geometry
Stack | 572.9mm | 575mm +2.1mm |
Reach | 379.1mm | 377mm -2.1mm |
Stack to Reach Ratio | 1.51:1 | 1.53:1 |
Seat Tube Length, C-T | 485mm | 510mm +25mm |
Top Tube Length, Effective/Horizontal HT Top | — | 549mm |
Top Tube Length, Actual C-C | 550mm | — |
Top Tube Slope | 11.8deg | 9.4deg -2.4deg |
Head Tube Angle | 71deg | 70deg -1deg |
Seat Tube Angle | 73.7deg | 73.5deg -0.2deg |
Head Tube Length | 150mm | 139mm -11mm |
Bottom Bracket Drop | 72mm | 75mm +3mm |
Bottom Bracket Height | 279mm | 264mm -15mm |
Chainstay Length | 425mm | 430mm +5mm |
Chainstay Length Horizontal | 418.9mm | 423.4mm +4.5mm |
Front-Center | 608.8mm | 612mm +3.2mm |
Front-Center Horizontal | 604.5mm | 606.6mm +2.1mm |
Wheelbase | 1023.4mm | 1030mm +6.6mm |
Fork Offset/Rake | 50mm | 45mm -5mm |
Fork Length (On-Axis) | 390mm | — |
Trail | 68mm high | 75.5mm +7.5mm high |
Mechanical Trail | 64.3mm | 70.9mm +6.6mm |
Wheel Flop | 20.9mm | 24.3mm +3.4mm |
Tire to Pedal Spindle | 87.8mm 170 mm cranks | 103mm +15.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 109mm 170 mm cranks | 94mm -15mm 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 Width Max | — | 55mm |
Tire Outer Diameter | 702mm | 678mm -24mm |
Bike Length with Tires | 1725.4mm | 1708mm -17.4mm |
| 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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