2018 Diamondback Bicycles Oso Grande Base S
Build
26 in × 4.9 in
Insights
Average stack and reach vs trend of rigid fatbike bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 600mm |
| Reach | 408mm |
| Stack to Reach Ratio | 1.47:1 |
| Seat Tube Length, C-T | 400mm |
| Top Tube Length, Effective/Horizontal Center | 580mm |
| Top Tube Slope | 22.6deg |
| Head Tube Angle | 68.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 85mm |
| Bottom Bracket Height | 319mm |
| Chainstay Length | 460mm |
| Chainstay Length Horizontal | 452.1mm |
| Front-Center | 678.3mm |
| Front-Center Horizontal | 672.9mm |
| Wheelbase | 1125mm |
| Fork Offset/Rake | 50mm |
| Trail | 105.4mm very high |
| Mechanical Trail | 98.1mm |
| Wheel Flop | 35.9mm |
| Standover Height | 787mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 104.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 149mm |
Base Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 4.9in |
| Tire Outer Diameter | 807.9mm |
| Bike Length with Tires | 1932.9mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 4 in to 5 ft 7 in |
Source:https://www.rei.com/product/124844/diamondback-el-oso-dos-fat-bike-2017