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 progressive gravel bikes
Geometry
Stack | 582mm | 565mm -17mm |
Reach | 382mm | 384mm +2mm |
Stack to Reach Ratio | 1.52:1 | 1.47:1 |
Seat Tube Length, C-T | 460mm | 471mm +11mm |
Top Tube Length, Effective/Horizontal HT Top | 552mm | 547mm -5mm |
Top Tube Slope | — | 12.3deg |
Head Tube Angle | 71deg | 71deg +0deg |
Seat Tube Angle | — | 74deg |
Effective Seat Tube Angle, ETT Center | 73.1deg | — |
Head Tube Length | 150mm | 120mm -30mm |
Bottom Bracket Drop | 76mm | 80mm +4mm |
Bottom Bracket Height | 273mm | 276mm +3mm |
Chainstay Length | 430mm | 435mm +5mm |
Chainstay Length Horizontal | 423.2mm | 427.6mm +4.4mm |
Front-Center | 614mm | 609mm -5mm |
Front-Center Horizontal | 609.3mm | 603.4mm -5.9mm |
Wheelbase | 1032.5mm | 1031mm -1.5mm |
Fork Offset/Rake | 50mm | 49.6mm -0.4mm |
Trail | 67.3mm high | 70.2mm +2.9mm high |
Mechanical Trail | 63.6mm | 66.3mm +2.7mm |
Wheel Flop | 20.7mm | 21.6mm +0.9mm |
Standover Height | — | 755mm |
Tire to Pedal Spindle | 95mm 170 mm cranks | 83mm -12mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 103mm 170 mm cranks | 106mm +3mm 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 | 1743mm +12.5mm |
| 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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| Source | Tantan web site | https://xds.co/en-us/products/gt8#product-geometry |
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