2026 Salsa Cycles Beargrease Aluminum 4 Eagle 70 Small
Build
650B/27.5 in × 4.5 in
Insights
Somewhat aggressive stack and reach vs trend of rigid fatbike bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 592mm |
| Reach | 445mm |
| Stack to Reach Ratio | 1.33:1 |
| Seat Tube Length, Effective Unknown | 392mm |
| Top Tube Length, Effective/Horizontal Center | 582mm |
| Head Tube Angle | 65.6deg |
| Seat Tube Angle | 77deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 69mm |
| Bottom Bracket Height | 337.3mm |
| Chainstay Length | 446mm |
| Chainstay Length Horizontal | 440.6mm |
| Front-Center | 733.6mm |
| Front-Center Horizontal | 730.4mm |
| Wheelbase | 1171mm |
| Fork Offset/Rake | 44mm |
| Fork Length (Axle-To-Crown) | 485mm |
| Trail | 136mm very high |
| Mechanical Trail | 123.8mm |
| Wheel Flop | 51.2mm |
| Standover Height | 710mm |
| Tire to Pedal Spindle Distance With 160 mm cranks | 167.3mm |
| Pedal Spindle to Ground Clearance With 160 mm cranks | 177.3mm |
Aluminum 4 Eagle 70 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 4.5in |
| Tire Outer Diameter | 812.6mm |
| Bike Length with Tires | 1983.6mm |
| Crank Length | 160mm |
| Handlebar Width | 740mm |
| Stem Length | 60mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 157 cm to 170 cm |
Source:www.salsacycles.com