2024 Tannenwald Bikes Vogelfrei C4 Large
Build
700C/29 in × 42 mm
Insights
Somewhat upright stack and reach vs trend of progressive gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 576mm |
| Reach | 399mm |
| Stack to Reach Ratio | 1.44:1 |
| Seat Tube Length, C-T | 540mm |
| Top Tube Length, Actual C-C | 575mm |
| Top Tube Slope | 6deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 160mm |
| Bottom Bracket Drop | -65mm |
| Bottom Bracket Height | 418mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 430.1mm |
| Fork Length (Axle-To-Crown) | 395mm |
| Trail | — — |
| Tire to Pedal Spindle Distance With 175 mm cranks | — |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 243mm |
C4 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 706mm |
| Crank Length | 175mm |
| Handlebar Width | 500mm |
| Stem Length | 100mm |
| Stem Angle | 6deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:"Bildschirmfoto 2025-09-11 um 16.37.28.png" provided by Tannenwald Bikes by email