2026 Bearclaw Bicycle Co. TōWMAK Base 57

Build

700C/29 in × 3.25 in

Insights

Very upright stack and reach vs trend of rigid fatbike bikes
Bar type unusual for category
This: Drop Bar
Category: Flat Bar
vs rigid fatbike bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
633mm
Reach
402mm
Stack to Reach Ratio
1.57:1
Seat Tube Length, Unknown
570mm
Top Tube Length, Actual C-C
590mm
Top Tube Slope
8.7deg
Head Tube Angle
70deg
Seat Tube Angle
74deg
Head Tube Length
150mm
Bottom Bracket Drop
70mm
Bottom Bracket Height
323.6mm
Chainstay Length
450mm
Chainstay Length Horizontal
444.5mm
Front-Center
665mm
Front-Center Horizontal
661.5mm
Wheelbase
1106mm
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
101.5mm
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
1893.1mm
Suspension Type
Rigid, suspension corrected
Bar Type
Drop Bar
Frame Material
Titanium
Fork Material
Titanium
Brake Type
Rim

Published Sizing Recommendations

Height
6 ft 0 in
to
6 ft 3 in