Bike-on-Bike
Default Config
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A21
Geometry
Stack | 575mm | — |
Reach | 377mm | — |
Stack to Reach Ratio | 1.53:1 | — |
Seat Tube Length, C-T | 510mm | — |
Top Tube Length, Effective/Horizontal HT Top | 549mm | — |
Top Tube Slope | 9.4deg | — |
Head Tube Angle | 70deg | — |
Seat Tube Angle | 73.5deg | — |
Head Tube Length | 139mm | — |
Bottom Bracket Drop | 75mm | — |
Bottom Bracket Height | 264mm | — |
Chainstay Length | 430mm | — |
Chainstay Length Horizontal | 423.4mm | — |
Front-Center | 612mm | — |
Front-Center Horizontal | 606.6mm | — |
Wheelbase | 1030mm | — |
Fork Offset/Rake | 45mm | — |
Trail | 75.5mm high | — — |
Mechanical Trail | 70.9mm | — |
Wheel Flop | 24.3mm | — |
Tire to Pedal Spindle | 103mm 170 mm cranks | — |
Pedal Spindle to Ground Clearance | 94mm 170 mm cranks | — |
Build
Wheel Size | 650B/27.5 in 584 mm BSD | — — |
Tire Width | 47mm | — |
Tire Outer Diameter | 678mm | — |
Bike Length with Tires | 1708mm | — |
| Suspension Type | Rigid, non-suspension corrected | — |
| Bar Type | Drop Bar | — |
| Frame Material | Titanium | — |
| Fork Material | Carbon/Composite | — |
| Brake Type | Disc | — |
Meta
| Actions | — | |
| Source | https://www.serk.cc/a21/ | — |
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