2021 Bearclaw Bicycle Co. TōWMAK Base 51

Build

650B/27.5 in × 4.5 in

Insights

Average stack and reach vs trend of rigid fatbike bikes
Design deviates from other sizes of Bearclaw Bicycle Co. TōWMAK
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
591.3mm
Reach
380.4mm
Stack to Reach Ratio
1.55:1
Seat Tube Length, C-T
510mm
Top Tube Length, Actual C-C
550mm
Top Tube Slope
11deg
Head Tube Angle
69deg
Seat Tube Angle
74deg
Head Tube Length
110mm
Bottom Bracket Drop
70mm
Bottom Bracket Height
336.3mm
Chainstay Length
450mm
Chainstay Length Horizontal
444.5mm
Front-Center
628.7mm
Front-Center Horizontal
624.8mm
Wheelbase
1069.3mm
Fork Offset/Rake
51mm
Fork Length (On-Axis)
468mm
Trail
101.3mm
very high
Mechanical Trail
94.6mm
Wheel Flop
33.9mm
Tire to Pedal Spindle Distance
With 170 mm cranks
52.4mm
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
1881.9mm
Crank Length
170mm
Handlebar Width
42cm
Stem Length
60mm
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 4 in
to
5 ft 6 in
Source:https://bearclawbicycleco.com/towmak/