Bike-on-Bike
Default Config
Default Config
Insights
Average 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 | 614mm | 620mm +6mm |
Reach | 403mm | 396mm -7mm |
Stack to Reach Ratio | 1.52:1 | 1.57:1 |
Seat Tube Length, C-T | 560mm | — |
Seat Tube Length, C-TTT | — | 589mm |
Top Tube Length, Effective/Horizontal Center | 585mm | 594mm +9mm |
Top Tube Slope | 7.8deg | 3.9deg -3.9deg |
Head Tube Angle | 71.5deg | 71deg -0.5deg |
Seat Tube Angle | 73.5deg | 72.3deg -1.2deg |
Head Tube Length | 190mm | 198mm +8mm |
Bottom Bracket Drop | 70mm | 67mm -3mm |
Bottom Bracket Height | 281mm | 294mm +13mm |
Chainstay Length | 425mm | 435mm +10mm |
Chainstay Length Horizontal | 419.2mm | 429.8mm +10.6mm |
Front-Center | 642mm | 648.7mm +6.7mm |
Front-Center Horizontal | 637.8mm | 645.2mm +7.4mm |
Wheelbase | 1057mm | 1075mm +18mm |
Fork Offset/Rake | 50mm | 55mm +5mm |
Fork Length (On-Axis) | 400mm | — |
Fork Length, Unknown | — | 405mm |
Trail | 64.7mm mid/neutral | 66.1mm +1.4mm high |
Mechanical Trail | 61.4mm | 62.5mm +1.1mm |
Wheel Flop | 19.5mm | 20.4mm +0.9mm |
Tire to Pedal Spindle | 121mm 170 mm cranks | 117.7mm -3.3mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 111mm 170 mm cranks | 124mm +13mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 40mm | 50mm +10mm |
Tire Width Max | — | 57mm |
Tire Outer Diameter | 702mm | 722mm +20mm |
Bike Length with Tires | 1759mm | 1797mm +38mm |
| 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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