2005 Koga Miyata Expression Base 60cm

Build

700C/29 in × 32 mm

Insights

Very upright stack and reach vs trend of commuter bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
632.7mm
Reach
372.8mm
Stack to Reach Ratio
1.7:1
Seat Tube Length, C-T
600mm
Top Tube Length, Effective/Horizontal Center
590.6mm
Top Tube Length, Actual C-C
572mm
Top Tube Slope
6.5deg
Head Tube Angle
71deg
Seat Tube Angle
71deg
Head Tube Length
164mm
Bottom Bracket Drop
54mm
Bottom Bracket Height
289mm
Chainstay Length
450mm
Chainstay Length Horizontal
446.8mm
Front-Center
619mm
Front-Center Horizontal
616.3mm
Wheelbase
1063mm
Fork Offset/Rake
42mm
Trail
73.7mm
high
Mechanical Trail
69.7mm
Wheel Flop
22.7mm
Tire to Pedal Spindle Distance
With 170 mm cranks
106mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
119mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
32mm
Tire Outer Diameter
686mm
Bike Length with Tires
1749mm
Crank Length
170mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
45mm
Suspension Sag
Unknown
Frame Material
Aluminum
Fork Material
Aluminum
Brake Type
Rim
Source:https://www.koga.com/en/service/brochures/2010-2001.htm