2021 Böttcher Fahrräder Evolution GRX Base 480
Build
700C/29 in × 50 mm
Insights
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 604mm |
| Reach | 386mm |
| Stack to Reach Ratio | 1.56:1 |
| Seat Tube Length, C-T | 480mm |
| Top Tube Length, Effective/Horizontal HT Top | 540mm |
| Top Tube Slope | 15.4deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 140mm |
| Chainstay Length | 450mm |
| Wheelbase | 1068mm |
| Fork Offset/Rake | 50mm |
| Trail | 71.4mm high |
| Mechanical Trail | 67.5mm |
| Wheel Flop | 22mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | — |
| Pedal Spindle to Ground Clearance With 170 mm cranks | — |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 50mm |
| Tire Outer Diameter | 722mm |
| Bike Length with Tires | 1790mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:www.boettcher-fahrraeder.de