Bike-on-Bike
Default Config
Default Config
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of TanTan Cycling (Seraph) GR047
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Geometry
Stack | 582mm | 592mm +10mm |
Reach | 382mm | 378mm -4mm |
Stack to Reach Ratio | 1.52:1 | 1.57:1 |
Seat Tube Length, C-T | 460mm | — |
Seat Tube Length, Unknown | — | 470mm |
Top Tube Length, Effective/Horizontal HT Top | 552mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 535mm |
Top Tube Slope | — | 15.4deg |
Head Tube Angle | 71deg | 71deg +0deg |
Seat Tube Angle | — | 74deg |
Effective Seat Tube Angle, ETT Center | 73.1deg | — |
Head Tube Length | 150mm | 116mm -34mm |
Bottom Bracket Drop | 76mm | 85mm +9mm |
Bottom Bracket Height | 273mm | 271mm -2mm |
Chainstay Length | 430mm | 430mm +0mm |
Chainstay Length Horizontal | 423.2mm | 421.5mm -1.7mm |
Front-Center | 614mm | 625.3mm +11.3mm |
Front-Center Horizontal | 609.3mm | 619.5mm +10.2mm |
Wheelbase | 1032.5mm | 1041mm +8.5mm |
Fork Offset/Rake | 50mm | 55mm +5mm |
Fork Length, Unknown | — | 391mm |
Trail | 67.3mm high | 64.4mm -2.9mm mid/neutral |
Mechanical Trail | 63.6mm | 60.9mm -2.7mm |
Wheel Flop | 20.7mm | 19.8mm -0.9mm |
Standover Height | — | 754mm |
Tire to Pedal Spindle | 95mm 170 mm cranks | 99.3mm +4.3mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 103mm 170 mm cranks | 101mm -2mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 38mm | 45mm +7mm |
Tire Outer Diameter | 698mm | 712mm +14mm |
Bike Length with Tires | 1730.5mm | 1753mm +22.5mm |
Handlebar Width | — | 420mm |
Stem Length | — | 80mm |
Stem Angle | — | -6deg |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Carbon/Composite | Aluminum |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | Tantan web site | https://geometrygeeks.bike/bike/specialized-diverge-4-2026/ |
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