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 Serk Titanium A21
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Geometry
Stack | 575mm | 570mm -5mm |
Reach | 377mm | 392mm +15mm |
Stack to Reach Ratio | 1.53:1 | 1.45:1 |
Seat Tube Length, C-T | 510mm | — |
Seat Tube Length, Unknown | — | 460mm |
Top Tube Length, Effective/Horizontal HT Top | 549mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 550mm |
Top Tube Slope | 9.4deg | 13.8deg +4.4deg |
Head Tube Angle | 70deg | 69.5deg -0.5deg |
Seat Tube Angle | 73.5deg | 74.5deg +1deg |
Head Tube Length | 139mm | 130mm -9mm |
Bottom Bracket Drop | 75mm | 75mm +0mm |
Bottom Bracket Height | 264mm | 281mm +17mm |
Chainstay Length | 430mm | 430mm +0mm |
Chainstay Length Horizontal | 423.4mm | 423.4mm +0mm |
Front-Center | 612mm | 629.1mm +17.1mm |
Front-Center Horizontal | 606.6mm | 624.6mm +18mm |
Wheelbase | 1030mm | 1048mm +18mm |
Fork Offset/Rake | 45mm | 44.5mm -0.5mm |
Fork Length, Unknown | — | 415mm |
Trail | 75.5mm high | 85.6mm +10.1mm very high |
Mechanical Trail | 70.9mm | 80.2mm +9.3mm |
Wheel Flop | 24.3mm | 28.1mm +3.8mm |
Standover Height | — | 734mm |
Tire to Pedal Spindle | 103mm 170 mm cranks | 103.1mm +0.1mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 94mm 170 mm cranks | 111mm +17mm 170 mm cranks |
Build
Wheel Size | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 47mm | 45mm -2mm |
Tire Outer Diameter | 678mm | 712mm +34mm |
Bike Length with Tires | 1708mm | 1760mm +52mm |
Crank Length | — | 170mm |
Handlebar Width | — | 400mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Titanium | Aluminum |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | https://www.serk.cc/a21/ | https://www.merida-bikes.com/en/bike/5667/silex-700 |
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