Bike-on-Bike
Default Config
M
No Diagram
Default Config
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A21
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Geometry
Stack | 597mm | 596mm -1mm |
Reach | 390mm | 404mm +14mm |
Stack to Reach Ratio | 1.53:1 | 1.48:1 |
Seat Tube Length, C-T | 535mm | 522mm -13mm |
Top Tube Length, Effective/Horizontal HT Top | 569mm | — |
Top Tube Length, Actual C-C | — | 581mm |
Top Tube Slope | 8.8deg | 9.8deg +1deg |
Head Tube Angle | 70deg | 71deg +1deg |
Seat Tube Angle | 73.5deg | 73.5deg +0deg |
Head Tube Length | 164mm | 158mm -6mm |
Bottom Bracket Drop | 73mm | — |
Bottom Bracket Height | 266mm | — |
Chainstay Length | 430mm | 440mm +10mm |
Chainstay Length Horizontal | 423.8mm | — |
Front-Center | 633mm | — |
Front-Center Horizontal | 628.2mm | — |
Wheelbase | 1052mm | 1076mm +24mm |
Fork Offset/Rake | 45mm | — |
Trail | 75.5mm high | — — |
Mechanical Trail | 70.9mm | — |
Wheel Flop | 24.3mm | — |
Standover Height | — | 826mm |
Tire to Pedal Spindle | 124mm 170 mm cranks | — 170 mm cranks |
Pedal Spindle to Ground Clearance | 96mm 170 mm cranks | — 170 mm cranks |
Build
Wheel Size | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 47mm | 45mm -2mm |
Tire Width Max | 55mm | — |
Tire Outer Diameter | 678mm | 712mm +34mm |
Bike Length with Tires | 1730mm | 1788mm +58mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Titanium | Aluminum |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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