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 | 589.9mm | 600mm +10.1mm |
Reach | 398.2mm | 390mm -8.2mm |
Stack to Reach Ratio | 1.48:1 | 1.54:1 |
Seat Tube Length, C-T | 546mm | — |
Seat Tube Length, C-TTT | — | 566mm |
Top Tube Length, Effective/Horizontal Center | — | 575mm |
Top Tube Length, Effective/Horizontal HT Top | 578.5mm | — |
Top Tube Slope | 6.9deg | 4.1deg -2.8deg |
Head Tube Angle | 71deg | 71deg +0deg |
Seat Tube Angle | 73deg | 72.9deg -0.1deg |
Head Tube Length | 166mm | 177mm +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 | 634.2mm | 635.7mm +1.5mm |
Front-Center Horizontal | 630mm | 632.2mm +2.2mm |
Wheelbase | 1048.7mm | 1062mm +13.3mm |
Fork Offset/Rake | 50.9mm | 55mm +4.1mm |
Fork Length, Unknown | — | 405mm |
Trail | 68.8mm high | 66.1mm -2.7mm high |
Mechanical Trail | 65mm | 62.5mm -2.5mm |
Wheel Flop | 21.2mm | 20.4mm -0.8mm |
Standover Height | 828mm | — |
Tire to Pedal Spindle | 108.2mm 170 mm cranks | 104.7mm -3.5mm 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 | 1760.7mm | 1784mm +23.3mm |
Stem Length | 103mm | — |
| 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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