2025 Propain Bicycles Yuma Base O/S
Build
24 in × 2.35 in
Stack and Reach vs. Category Trend
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Geometry
| Stack | 525mm |
| Reach | 365mm |
| Stack to Reach Ratio | 1.44:1 |
| Seat Tube Length, C-T | 348mm |
| Top Tube Length, Effective/Horizontal Center | 505mm |
| Top Tube Slope | 22.5deg |
| Head Tube Angle | 65deg |
| Seat Tube Angle | 74.1deg |
| Head Tube Length | 94mm |
| Bottom Bracket Drop | 1mm |
| Bottom Bracket Height | 312.2mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 410mm |
| Front-Center | 654.6mm |
| Front-Center Horizontal | 654.6mm |
| Wheelbase | 1064.6mm |
| Wheelbase Max | 1065mm |
| Fork Offset/Rake | 41mm |
| Fork Length (Axle-To-Crown) | 500mm |
| Trail | 100.8mm very high |
| Mechanical Trail | 91.4mm |
| Wheel Flop | 38.6mm |
| Standover Height | 665mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 171.4mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 142.2mm |
Base Build
| Wheel Size | 24 inch (507mm BSD) |
| Tire Width | 2.35in |
| Tire Outer Diameter | 626.4mm |
| Bike Length with Tires | 1691mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 130mm |
| Rear Travel | 130mm |
| Suspension Sag | 30% |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
Source:https://www.propain-bikes.com/us/product/bikes/kids/yuma-4-24/