Bike-on-Bike
Default Config
Default Config
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Very upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of TanTan Cycling (Seraph) GR257
Geometry
Stack | 609.7mm | 620mm +10.3mm |
Reach | 406.1mm | 396mm -10.1mm |
Stack to Reach Ratio | 1.5:1 | 1.57:1 |
Seat Tube Length, C-T | 566mm | — |
Seat Tube Length, C-TTT | — | 589mm |
Top Tube Length, Effective/Horizontal Center | — | 594mm |
Top Tube Length, Effective/Horizontal HT Top | 592.5mm | — |
Top Tube Slope | 6.8deg | 3.9deg -2.9deg |
Head Tube Angle | 71deg | 71deg +0deg |
Seat Tube Angle | 73deg | 72.3deg -0.7deg |
Head Tube Length | 187mm | 198mm +11mm |
Bottom Bracket Drop | 73mm | 67mm -6mm |
Bottom Bracket Height | 283mm | 294mm +11mm |
Chainstay Length | 425mm | 435mm +10mm |
Chainstay Length Horizontal | 418.7mm | 429.8mm +11.1mm |
Front-Center | 648.9mm | 648.7mm -0.2mm |
Front-Center Horizontal | 644.8mm | 645.2mm +0.4mm |
Wheelbase | 1063.5mm | 1075mm +11.5mm |
Fork Offset/Rake | 51mm | 55mm +4mm |
Fork Length, Unknown | — | 405mm |
Trail | 68.7mm high | 66.1mm -2.6mm high |
Mechanical Trail | 64.9mm | 62.5mm -2.4mm |
Wheel Flop | 21.1mm | 20.4mm -0.7mm |
Standover Height | 847mm | — |
Tire to Pedal Spindle | 122.9mm 170 mm cranks | 117.7mm -5.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 113mm 170 mm cranks | 124mm +11mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 45mm | 50mm +5mm |
Tire Width Max | — | 57mm |
Tire Outer Diameter | 712mm | 722mm +10mm |
Bike Length with Tires | 1775.5mm | 1797mm +21.5mm |
Stem Length | 113mm | — |
| 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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