2021 Bearclaw Bicycle Co. TōWMAK Base 54
Build
650B/27.5 in × 4.5 in
Insights
Somewhat upright stack and reach vs trend of rigid fatbike bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 614.5mm |
| Reach | 388mm |
| Stack to Reach Ratio | 1.58:1 |
| Seat Tube Length, C-T | 540mm |
| Top Tube Length, Actual C-C | 570mm |
| Top Tube Slope | 10.1deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 336.3mm |
| Chainstay Length | 450mm |
| Chainstay Length Horizontal | 444.5mm |
| Front-Center | 639.2mm |
| Front-Center Horizontal | 635.4mm |
| Wheelbase | 1079.9mm |
| Fork Offset/Rake | 51mm |
| Fork Length (On-Axis) | 468mm |
| Trail | 93.6mm very high |
| Mechanical Trail | 88mm |
| Wheel Flop | 30.1mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 62.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 166.3mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 4.5in |
| Tire Outer Diameter | 812.6mm |
| Bike Length with Tires | 1892.5mm |
| Crank Length | 170mm |
| Handlebar Width | 42cm |
| Stem Length | 70mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 7 in to 5 ft 10 in |
Source:https://bearclawbicycleco.com/towmak/