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