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 OPEN Cycle U.P.
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of TanTan Cycling (Seraph) GR047
Geometry
Stack | 545mm | 556mm +11mm |
Reach | 368mm | 372mm +4mm |
Stack to Reach Ratio | 1.48:1 | 1.49:1 |
Seat Tube Length, C-T | 449mm | 430mm -19mm |
Top Tube Length, Effective/Horizontal HT Top | 525mm | 528mm +3mm |
Top Tube Slope | 13deg | 16.2deg +3.2deg |
Head Tube Angle | 71.5deg | 70.5deg -1deg |
Seat Tube Angle | 73.5deg | 74.3deg +0.8deg |
Head Tube Length | — | 125mm |
Bottom Bracket Drop | 77mm | 76mm -1mm |
Bottom Bracket Height | 279mm | 280mm +1mm |
Chainstay Length | 425mm | 430mm +5mm |
Chainstay Length Horizontal | 418mm | 423.2mm +5.2mm |
Front-Center | 590mm | 600mm +10mm |
Front-Center Horizontal | 585mm | 595.2mm +10.2mm |
Wheelbase | 1003mm | 1018.4mm +15.4mm |
Fork Offset/Rake | 50mm | 50mm +0mm |
Trail | 66.4mm high | 73mm +6.6mm high |
Mechanical Trail | 63mm | 68.8mm +5.8mm |
Wheel Flop | 20mm | 23mm +3mm |
Standover Height | 745mm | — |
Tire to Pedal Spindle | 64mm 170 mm cranks | 74mm +10mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 109mm 170 mm cranks | 110mm +1mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 45mm | 45mm +0mm |
Tire Outer Diameter | 712mm | 712mm +0mm |
Bike Length with Tires | 1715mm | 1730.4mm +15.4mm |
Crank Length | — | 170mm |
Handlebar Width | — | 420mm |
Stem Length | — | 100mm |
| 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 | https://opencycle.com/upper-20 | https://www.seraphbikes.com/flat-mount-gravel-bike-frame-gr047-full-hidden-cable-t47-threaded-bottom-bracket-4043464953cm-p4814109.html |
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