Bike-on-Bike
Default Config
Default Config
Insights
Somewhat aggressive stack and reach vs trend of endurance road bikes
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of TanTan Cycling (Seraph) FM639
Geometry
Stack | 552mm | 548mm -4mm |
Reach | 382mm | 380mm -2mm |
Stack to Reach Ratio | 1.45:1 | 1.44:1 |
Seat Tube Length, C-T | 510mm | 463mm -47mm |
Top Tube Length, Effective/Horizontal HT Top | 545mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 548mm |
Top Tube Slope | 6.8deg | 11.5deg +4.7deg |
Head Tube Angle | 72.5deg | 73deg +0.5deg |
Seat Tube Angle | 73.5deg | 73deg -0.5deg |
Head Tube Length | 134mm | 140mm +6mm |
Bottom Bracket Drop | 73mm | 72mm -1mm |
Bottom Bracket Height | 268mm | 267mm -1mm |
Chainstay Length | 418mm | 410mm -8mm |
Chainstay Length Horizontal | 411.6mm | 403.6mm -8mm |
Front-Center | 583mm | 577mm -6mm |
Front-Center Horizontal | 578.4mm | 572.4mm -6mm |
Wheelbase | 990mm | 976mm -14mm |
Fork Offset/Rake | 43mm | 45mm +2mm |
Trail | 62.4mm mid/neutral | 56.6mm -5.8mm mid/neutral |
Mechanical Trail | 59.5mm | 54.1mm -5.4mm |
Wheel Flop | 17.9mm | 15.8mm -2.1mm |
Standover Height | — | 753mm |
Tire to Pedal Spindle | 72mm 170 mm cranks | 68mm -4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 98mm 170 mm cranks | 97mm -1mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 30mm | 28mm -2mm |
Tire Width Max | 35mm | 28mm -7mm |
Tire Outer Diameter | 682mm | 678mm -4mm |
Bike Length with Tires | 1672mm | 1654mm -18mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Titanium | Unknown |
| Fork Material | Carbon/Composite | Unknown |
| Brake Type | Disc | Unknown |
Meta
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