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 | 565.3mm | 580mm +14.7mm |
Reach | 387.1mm | 383mm -4.1mm |
Stack to Reach Ratio | 1.46:1 | 1.51:1 |
Seat Tube Length, C-T | 528mm | — |
Seat Tube Length, C-TTT | — | 546mm |
Top Tube Length, Effective/Horizontal Center | — | 558mm |
Top Tube Length, Effective/Horizontal HT Top | 554.5mm | — |
Top Tube Slope | 6.3deg | 4deg -2.3deg |
Head Tube Angle | 71deg | 71deg +0deg |
Seat Tube Angle | 73.5deg | 73.3deg -0.2deg |
Head Tube Length | 140mm | 153mm +13mm |
Bottom Bracket Drop | 73mm | 69mm -4mm |
Bottom Bracket Height | 283mm | 292mm +9mm |
Chainstay Length | 425mm | 435mm +10mm |
Chainstay Length Horizontal | 418.7mm | 429.5mm +10.8mm |
Front-Center | 614.9mm | 621.4mm +6.5mm |
Front-Center Horizontal | 610.5mm | 617.5mm +7mm |
Wheelbase | 1029.2mm | 1047mm +17.8mm |
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 | 807mm | — |
Tire to Pedal Spindle | 88.9mm 170 mm cranks | 90.4mm +1.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 113mm 170 mm cranks | 122mm +9mm 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 | 1741.2mm | 1769mm +27.8mm |
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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