2021 Böttcher Fahrräder Evolution 27.5 63
Build
650B/27.5 in × 2.4 in
Insights
Somewhat upright stack and reach vs trend of off-road touring bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 670mm |
| Reach | 394mm |
| Stack to Reach Ratio | 1.7:1 |
| Seat Tube Length, C-T | 630mm |
| Top Tube Length, Effective/Horizontal HT Top | 579mm |
| Top Tube Slope | 6.8deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 72.5deg |
| Head Tube Length | 210mm |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 288mm |
| Chainstay Length | 450mm |
| Chainstay Length Horizontal | 445.3mm |
| Front-Center | 669.9mm |
| Front-Center Horizontal | 666.7mm |
| Wheelbase | 1112mm |
| Fork Offset/Rake | 50mm |
| Trail | 68.7mm high |
| Mechanical Trail | 64.9mm |
| Wheel Flop | 21.1mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 146.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 118mm |
27.5 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 705.9mm |
| Bike Length with Tires | 1817.9mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:https://www.boettcher-fahrraeder.de/fahrrad/142/Evolution+Rohloff+B%C3%B6ttcher