2025 Crust Bikes Stupid Tourist Base - Correct BB Height Small
Build
20 in (406) × 2.3 in
Insights
Somewhat upright stack and reach vs trend of mini-velo/folding bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 550mm |
| Reach | 385mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, C-T | 400mm |
| Top Tube Length, Effective/Horizontal Unknown | 550mm |
| Top Tube Slope | 16deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 277mm |
| Bottom Bracket Drop | -25mm |
| Bottom Bracket Height | 286.4mm |
| Chainstay Length | 415mm |
| Chainstay Length Horizontal | 414.3mm |
| Front-Center | 604.3mm |
| Front-Center Horizontal | 603.8mm |
| Wheelbase | 1018mm |
| Fork Offset/Rake | 30mm |
| Trail | 53.4mm mid/neutral |
| Mechanical Trail | 50.8mm |
| Wheel Flop | 15.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 172.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 116.4mm |
Base - Correct BB Height Build
| Wheel Size | 20 inch (406 BSD, BMX/Kids) (406mm BSD) |
| Tire Width | 2.3in |
| Tire Outer Diameter | 522.8mm |
| Bike Length with Tires | 1540.8mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | N/A |
| Features | Frame couplers |
Published Sizing Recommendations
| Height | 3 ft 2 in to 5 ft 7 in |
Source:https://crustbikes.com/collections/frames/products/stupid-tourist-description-details-photos