Bike-on-Bike
Default Config
XL
No Diagram
Default Config
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A40
Average stack and reach vs trend of endurance road bikes
Geometry
Stack | 613mm | 599mm -14mm |
Reach | 398mm | 394mm -4mm |
Stack to Reach Ratio | 1.54:1 | 1.52:1 |
Seat Tube Length, Unknown | 560mm | 550mm -10mm |
Top Tube Length, Effective/Horizontal Unknown | 580mm | 577mm -3mm |
Top Tube Slope | 7.8deg | 7.5deg -0.3deg |
Head Tube Angle | 71.5deg | 72deg +0.5deg |
Seat Tube Angle | 73.5deg | 73deg -0.5deg |
Head Tube Length | 192mm | 195mm +3mm |
Bottom Bracket Drop | 73mm | — |
Bottom Bracket Height | 278mm | — |
Chainstay Length | 420mm | — |
Chainstay Length Horizontal | 413.6mm | — |
Front-Center | 632.6mm | — |
Front-Center Horizontal | 628.4mm | — |
Wheelbase | 1042mm | 1028mm -14mm |
Fork Offset/Rake | 47mm | 50mm +3mm |
Fork Length, Unknown | — | 378mm |
Trail | 67.9mm high | 58.9mm -9mm mid/neutral |
Mechanical Trail | 64.4mm | 56mm -8.4mm |
Wheel Flop | 20.4mm | 17.3mm -3.1mm |
Standover Height | 831mm | — |
Tire to Pedal Spindle | 111.6mm 170 mm cranks | — 170 mm cranks |
Pedal Spindle to Ground Clearance | 108mm 170 mm cranks | — 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 40mm | 32mm -8mm |
Tire Outer Diameter | 702mm | 686mm -16mm |
Bike Length with Tires | 1744mm | 1714mm -30mm |
| 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 | Unknown | Disc |
Meta
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| Source | SERK.CC | https://www.lapierrebikes.com/fr-fr/o/pulsium-50-2025/ |
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