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 Serk Titanium A21
Average stack and reach vs trend of all-road/gravel bikes
Geometry
Stack | 548mm | 560.6mm +12.6mm |
Reach | 364mm | 372.6mm +8.6mm |
Stack to Reach Ratio | 1.51:1 | 1.5:1 |
Seat Tube Length, C-T | 485mm | 465mm -20mm |
Top Tube Length, Effective/Horizontal HT Top | 523mm | — |
Top Tube Length, Actual C-C | — | 540mm |
Top Tube Slope | 9.3deg | 12.8deg +3.5deg |
Head Tube Angle | 70deg | 71deg +1deg |
Seat Tube Angle | 74deg | 73.7deg -0.3deg |
Head Tube Length | 110mm | 137mm +27mm |
Bottom Bracket Drop | 75mm | 72mm -3mm |
Bottom Bracket Height | 264mm | 279mm +15mm |
Chainstay Length | 430mm | 425mm -5mm |
Chainstay Length Horizontal | 423.4mm | 418.9mm -4.5mm |
Front-Center | 589mm | 598.1mm +9.1mm |
Front-Center Horizontal | 584.6mm | 593.7mm +9.1mm |
Wheelbase | 1008mm | 1012.6mm +4.6mm |
Fork Offset/Rake | 45mm | 50mm +5mm |
Fork Length (On-Axis) | — | 390mm |
Trail | 75.5mm high | 68mm -7.5mm high |
Mechanical Trail | 70.9mm | 64.3mm -6.6mm |
Wheel Flop | 24.3mm | 20.9mm -3.4mm |
Tire to Pedal Spindle | 80mm 170 mm cranks | 77.1mm -2.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 94mm 170 mm cranks | 109mm +15mm 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 | 1686mm | 1714.6mm +28.6mm |
| 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 | Disc |
Meta
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