2026 Bearclaw Bicycle Co. TōWMAK Base 54
Build
700C/29 in × 3.25 in
Insights
Somewhat upright stack and reach vs trend of rigid fatbike bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 615mm |
| Reach | 388mm |
| Stack to Reach Ratio | 1.59:1 |
| Seat Tube Length, Unknown | 540mm |
| Top Tube Length, Actual C-C | 570mm |
| Top Tube Slope | 10.1deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 323.6mm |
| Chainstay Length | 450mm |
| Chainstay Length Horizontal | 444.5mm |
| Front-Center | 644mm |
| Front-Center Horizontal | 635.5mm |
| Wheelbase | 1080mm |
| Fork Offset/Rake | 51mm |
| Fork Length (On-Axis) | 468mm |
| Trail | 89mm very high |
| Mechanical Trail | 83.6mm |
| Wheel Flop | 28.6mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 80.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 153.6mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 3.25in |
| Tire Outer Diameter | 787.1mm |
| Bike Length with Tires | 1867.1mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Titanium |
| Brake Type | Rim |
Published Sizing Recommendations
| Height | 5 ft 8 in to 5 ft 11 in |
Source:bearclawbicycleco.com