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 | 597mm | 588mm -9mm |
Reach | 390mm | 402mm +12mm |
Stack to Reach Ratio | 1.53:1 | 1.46:1 |
Seat Tube Length, C-T | 535mm | — |
Seat Tube Length, Unknown | — | 490mm |
Top Tube Length, Effective/Horizontal HT Top | 569mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 565mm |
Top Tube Slope | 8.8deg | 12.3deg +3.5deg |
Head Tube Angle | 70deg | 69.5deg -0.5deg |
Seat Tube Angle | 73.5deg | 74.5deg +1deg |
Head Tube Length | 164mm | 150mm -14mm |
Bottom Bracket Drop | 73mm | 75mm +2mm |
Bottom Bracket Height | 266mm | 281mm +15mm |
Chainstay Length | 430mm | 430mm +0mm |
Chainstay Length Horizontal | 423.8mm | 423.4mm -0.4mm |
Front-Center | 633mm | 646mm +13mm |
Front-Center Horizontal | 628.2mm | 641.6mm +13.4mm |
Wheelbase | 1052mm | 1065mm +13mm |
Fork Offset/Rake | 45mm | 44.8mm -0.2mm |
Fork Length, Unknown | — | 415mm |
Trail | 75.5mm high | 85.3mm +9.8mm very high |
Mechanical Trail | 70.9mm | 79.9mm +9mm |
Wheel Flop | 24.3mm | 28mm +3.7mm |
Standover Height | — | 771mm |
Tire to Pedal Spindle | 124mm 170 mm cranks | 120mm -4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 96mm 170 mm cranks | 111mm +15mm 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 | 1730mm | 1777mm +47mm |
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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