Bike-on-Bike
Default Config
Default Config
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of TanTan Cycling (Seraph) TT-X38
Average stack and reach vs trend of performance road bikes
Geometry
Stack | 554mm | 544mm -10mm |
Reach | 388mm | 385mm -3mm |
Stack to Reach Ratio | 1.43:1 | 1.41:1 |
Seat Tube Length, C-T | 540mm | — |
Seat Tube Length, C-TTT | — | 530mm |
Top Tube Length, Effective/Horizontal Center | 551mm | 545mm -6mm |
Top Tube Slope | 3.8deg | 1.7deg -2.1deg |
Head Tube Angle | 72.5deg | 72.5deg +0deg |
Seat Tube Angle | 73.6deg | 73.6deg +0deg |
Head Tube Length | 150mm | 141mm -9mm |
Bottom Bracket Drop | 70mm | 70mm +0mm |
Bottom Bracket Height | 269mm | 276mm +7mm |
Chainstay Length | 410mm | 410mm +0mm |
Chainstay Length Horizontal | 404mm | 404mm +0mm |
Front-Center | 592mm | 586mm -6mm |
Front-Center Horizontal | 587.9mm | 582mm -5.9mm |
Wheelbase | 991.8mm | 986mm -5.8mm |
Fork Offset/Rake | 45mm | 45mm +0mm |
Fork Length (On-Axis) | — | 370mm |
Trail | 59.7mm mid/neutral | 61.9mm +2.2mm mid/neutral |
Mechanical Trail | 56.9mm | 59mm +2.1mm |
Wheel Flop | 17.1mm | 17.8mm +0.7mm |
Standover Height | — | 798.5mm |
Tire to Pedal Spindle | 83mm 170 mm cranks | 70mm -13mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 99mm 170 mm cranks | 106mm +7mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 28mm | 35mm +7mm |
Tire Outer Diameter | 678mm | 692mm +14mm |
Bike Length with Tires | 1669.8mm | 1678mm +8.2mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Carbon/Composite | Carbon/Composite |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | N/A | https://www.lightcarbon.com/uploadfile/downloads/2026-2027%20LightCarbon%20Frame+Component%20Catalog%20-V1.pdf |
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