2023 Tokyobike Bisou Base

Category
Commuter
Design
Swept Back Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel

Geometry

42
M
Stack
535mm
553.5mm
Reach
346.1mm
409.5mm
Stack to Reach Ratio
1.55:1
1.35:1
Seat Tube Length, Unknown
420mm
500mm
Top Tube Length, Effective/Horizontal Unknown
—
589.3mm
Bottom Bracket Drop
240.7mm
268.7mm
Bottom Bracket Height
40mm
40mm
Chainstay Length
420mm
420mm
Chainstay Length Horizontal
344.2mm
322.8mm
Front-Center
1300.9mm
—
Front-Center Horizontal
1278.5mm
—
Wheelbase
1622.7mm
—
Trail
—
—
—
—
Mechanical Trail
—
—
Wheel Flop
—
—
Standover Height
358.4mm
378.3mm
Tire to Pedal Spindle
850.3mm
170 mm cranks
—
170 mm cranks
Pedal Spindle to Ground Clearance
-130mm
170 mm cranks
-130mm
170 mm cranks

Base Build

42
M
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
Tire Width
1.2mm
1.15in
Tire Outer Diameter
561.3mm
617.4mm
Bike Length with Tires
2184mm
—
Crank Length
170mm
170mm
Handlebar Width
580mm
58cm
Stem Length
80mm
8cm

Published Sizing Recommendations

Height
142 cm
to
158 cm
—

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Commuter