Bike-on-Bike
Default Config
S
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
Somewhat upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of LightCarbon LCG072-D
Geometry
Stack | 548mm | 547.3mm -0.7mm |
Reach | 374mm | 368mm -6mm |
Stack to Reach Ratio | 1.47:1 | 1.49:1 |
Seat Tube Length, Unknown | 495mm | — |
Seat Tube Length, Effective Unknown | — | 480mm |
Top Tube Length, Effective/Horizontal Center | — | 525mm |
Top Tube Length, Effective/Horizontal Unknown | 526mm | — |
Top Tube Slope | 8deg | — |
Head Tube Angle | 71.5deg | 70.5deg -1deg |
Seat Tube Angle | 74.5deg | 74deg -0.5deg |
Head Tube Length | 121mm | 132mm +11mm |
Bottom Bracket Drop | 75mm | 79mm +4mm |
Bottom Bracket Height | 276mm | 282mm +6mm |
Chainstay Length | 420mm | 420mm +0mm |
Chainstay Length Horizontal | 413.3mm | 412.5mm -0.8mm |
Front-Center | 586.6mm | 593.7mm +7.1mm |
Front-Center Horizontal | 581.8mm | 591.5mm +9.7mm |
Wheelbase | 995mm | 1004mm +9mm |
Fork Offset/Rake | 47mm | 51.5mm +4.5mm |
Fork Length (On-Axis) | — | 383mm |
Trail | 67.9mm high | 73.2mm +5.3mm high |
Mechanical Trail | 64.4mm | 69mm +4.6mm |
Wheel Flop | 20.4mm | 23mm +2.6mm |
Standover Height | 767mm | 769mm +2mm |
Tire to Pedal Spindle | 65.6mm 170 mm cranks | 62.7mm -2.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 106mm 170 mm cranks | 112mm +6mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 40mm | 50mm +10mm |
Tire Outer Diameter | 702mm | 722mm +20mm |
Bike Length with Tires | 1697mm | 1726mm +29mm |
| 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://de.lightcarbon.com/uploadfile/downloads/2026-2027%20LightCarbon%20Frame+Component%20Catalog%20-V1.pdf |
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