Bike-on-Bike
Default Config
Default Config
Insights
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A21
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Merida Silex
Geometry
Stack | 548mm | 549mm +1mm |
Reach | 364mm | 378mm +14mm |
Stack to Reach Ratio | 1.51:1 | 1.45:1 |
Seat Tube Length, C-T | 485mm | — |
Seat Tube Length, Unknown | — | 430mm |
Top Tube Length, Effective/Horizontal HT Top | 523mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 530mm |
Top Tube Slope | 9.3deg | 15.3deg +6deg |
Head Tube Angle | 70deg | 69.5deg -0.5deg |
Seat Tube Angle | 74deg | 74.5deg +0.5deg |
Head Tube Length | 110mm | 110mm +0mm |
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 | 589mm | 612.2mm +23.2mm |
Front-Center Horizontal | 584.6mm | 607.6mm +23mm |
Wheelbase | 1008mm | 1031mm +23mm |
Fork Offset/Rake | 45mm | 49.1mm +4.1mm |
Fork Length, Unknown | — | 415mm |
Trail | 75.5mm high | 80.7mm +5.2mm very high |
Mechanical Trail | 70.9mm | 75.6mm +4.7mm |
Wheel Flop | 24.3mm | 26.5mm +2.2mm |
Standover Height | — | 707mm |
Tire to Pedal Spindle | 80mm 170 mm cranks | 86.2mm +6.2mm 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 | 1686mm | 1743mm +57mm |
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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