2021 Koga Colmaro Extreme M

Build

650B/27.5 in × 47 mm

Insights

Average stack and reach vs trend of all-road/gravel bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
577mm
Reach
378mm
Stack to Reach Ratio
1.53:1
Seat Tube Length, Unknown
500mm
Top Tube Length, Effective/Horizontal Unknown
561mm
Top Tube Slope
10.7deg
Head Tube Angle
71deg
Seat Tube Angle
72.5deg
Head Tube Length
150mm
Bottom Bracket Drop
75mm
Bottom Bracket Height
264mm
Chainstay Length
435mm
Chainstay Length Horizontal
428.5mm
Front-Center
603.1mm
Front-Center Horizontal
598.5mm
Wheelbase
1026.9mm
Fork Offset/Rake
45mm
Trail
69.1mm
high
Mechanical Trail
65.4mm
Wheel Flop
21.3mm
Tire to Pedal Spindle Distance
With 170 mm cranks
94.1mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
94mm

Extreme Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
47mm
Tire Outer Diameter
678mm
Bike Length with Tires
1704.9mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Aluminum
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
170 cm
to
182 cm
Source:KOGA Bicycles