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
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
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/