2021 Koga Colmaro Extreme S

Build

650B/27.5 in × 47 mm

Insights

Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Koga Colmaro

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
547mm
Reach
376mm
Stack to Reach Ratio
1.45:1
Seat Tube Length, Unknown
460mm
Top Tube Length, Effective/Horizontal Unknown
544mm
Top Tube Slope
11.9deg
Head Tube Angle
70.5deg
Seat Tube Angle
73deg
Head Tube Length
120mm
Bottom Bracket Drop
75mm
Bottom Bracket Height
264mm
Chainstay Length
435mm
Chainstay Length Horizontal
428.5mm
Front-Center
595.6mm
Front-Center Horizontal
590.9mm
Wheelbase
1019.4mm
Fork Offset/Rake
45mm
Trail
72.3mm
high
Mechanical Trail
68.2mm
Wheel Flop
22.8mm
Tire to Pedal Spindle Distance
With 170 mm cranks
86.6mm
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
1697.4mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Aluminum
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
160 cm
to
172 cm
Source:KOGA Bicycles