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
Design deviates from other sizes of LightCarbon LCR020-D
Geometry
Stack | 516mm | 511mm -5mm |
Reach | 378mm | 375mm -3mm |
Stack to Reach Ratio | 1.37:1 | 1.36:1 |
Seat Tube Length, C-T | 490mm | — |
Seat Tube Length, C-TTT | — | 482mm |
Top Tube Length, Effective/Horizontal Center | 521mm | 530mm +9mm |
Top Tube Slope | 4.9deg | 3.1deg -1.8deg |
Head Tube Angle | 71deg | 71deg +0deg |
Seat Tube Angle | 74.5deg | 74.5deg +0deg |
Head Tube Length | 115mm | 108mm -7mm |
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 | 583mm | 586.8mm +3.8mm |
Front-Center Horizontal | 578.8mm | 589.7mm +10.9mm |
Wheelbase | 982.8mm | 993.7mm +10.9mm |
Fork Offset/Rake | 45mm | 45mm +0mm |
Fork Length (On-Axis) | — | 370mm |
Trail | 69.1mm high | 71.5mm +2.4mm high |
Mechanical Trail | 65.4mm | 67.7mm +2.3mm |
Wheel Flop | 21.3mm | 22mm +0.7mm |
Standover Height | — | 753.6mm |
Tire to Pedal Spindle | 74mm 170 mm cranks | 70.8mm -3.2mm 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 | 1660.8mm | 1685.7mm +24.9mm |
| 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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