2021 Flanders Cycles Koppenberg Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category

Geometry

46cm
49cm
52cm
54cm
56cm
58cm
Stack
511mm
518mm
530mm
552mm
572mm
596mm
Reach
365mm
372mm
378mm
382mm
393mm
401mm
Stack to Reach Ratio
1.4:1
1.39:1
1.4:1
1.45:1
1.46:1
1.49:1
Seat Tube Length, C-T
440mm
470mm
500mm
520mm
540mm
560mm
Top Tube Length, Effective/Horizontal Unknown
503mm
510mm
530mm
540mm
562mm
577mm
Top Tube Slope
10.2deg
7.4deg
5.5deg
5.7deg
5.7deg
6deg
Head Tube Angle
71deg
71.5deg
72.5deg
73deg
73.5deg
73.5deg
Seat Tube Angle
75deg
75deg
74deg
74deg
73.5deg
73.5deg
Head Tube Length
100mm
105mm
115mm
135mm
155mm
180mm
Bottom Bracket Drop
72mm
72mm
72mm
72mm
72mm
72mm
Bottom Bracket Height
267mm
267mm
267mm
267mm
267mm
267mm
Chainstay Length
405mm
405mm
405mm
405mm
405mm
405mm
Chainstay Length Horizontal
398.6mm
398.6mm
398.6mm
398.6mm
398.6mm
398.6mm
Front-Center
570mm
573mm
575mm
580.9mm
592.8mm
607.7mm
Front-Center Horizontal
565.5mm
568.5mm
570.5mm
576.5mm
588.5mm
603.5mm
Wheelbase
964mm
967mm
969mm
975mm
987mm
1002mm
Fork Offset/Rake
45mm
45mm
45mm
45mm
45mm
45mm
Fork Length, Unknown
380mm
380mm
380mm
380mm
380mm
380mm
Trail
69.1mm
high
66mm
high
59.7mm
mid/​neutral
56.6mm
mid/​neutral
53.5mm
mid/​neutral
53.5mm
mid/​neutral
Mechanical Trail
65.4mm
62.6mm
56.9mm
54.1mm
51.3mm
51.3mm
Wheel Flop
21.3mm
19.9mm
17.1mm
15.8mm
14.6mm
14.6mm
Tire to Pedal Spindle
61mm
170 mm cranks
64mm
170 mm cranks
66mm
170 mm cranks
71.9mm
170 mm cranks
83.8mm
170 mm cranks
98.7mm
170 mm cranks
Pedal Spindle to Ground Clearance
97mm
170 mm cranks
97mm
170 mm cranks
97mm
170 mm cranks
97mm
170 mm cranks
97mm
170 mm cranks
97mm
170 mm cranks

Base Build

46cm
49cm
52cm
54cm
56cm
58cm
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
28mm
28mm
28mm
28mm
28mm
28mm
Tire Width Max
32mm
32mm
32mm
32mm
32mm
32mm
Tire Outer Diameter
678mm
678mm
678mm
678mm
678mm
678mm
Bike Length with Tires
1642mm
1645mm
1647mm
1653mm
1665mm
1680mm

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
Performance Road
Source:https://flanderscycles.com.au/product/koppenberg/