2021 Pure Bros Gravel Bike Expedition XXL
Build
700C/29 in × 40 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Pure Bros Gravel Bike
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 625mm |
| Reach | 418mm |
| Stack to Reach Ratio | 1.5:1 |
| Seat Tube Length, C-T | 600mm |
| Top Tube Length, Effective/Horizontal Center | 610mm |
| Top Tube Slope | 4.9deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 190mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 281mm |
| Chainstay Length | 428mm |
| Chainstay Length Horizontal | 422.2mm |
| Front-Center | 649.6mm |
| Front-Center Horizontal | 645.8mm |
| Wheelbase | 1068mm |
| Fork Offset/Rake | 50.3mm |
| Trail | 57.9mm mid/neutral |
| Mechanical Trail | 55.2mm |
| Wheel Flop | 16.6mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 128.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 111mm |
Expedition Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1770mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 194 cm to 200 cm |
| PBH | 91 cm to 97 cm |
Source:https://www.finest-limited-cycles.com/stahlrahmen-gravel-bike-expedition/