2015 Koga Beachracer Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Aluminum
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

Geometry

50
54
56
58
60
Stack
548mm
559mm
573mm
583mm
592mm
Reach
388mm
401mm
411mm
412mm
421mm
Stack to Reach Ratio
1.41:1
1.39:1
1.39:1
1.42:1
1.41:1
Seat Tube Length, C-T
500mm
540mm
560mm
580mm
600mm
Top Tube Length, Effective/Horizontal HT Top
540mm
556mm
570mm
579mm
591mm
Top Tube Slope
7.2deg
4.1deg
3.4deg
2.6deg
1.5deg
Head Tube Angle
70.5deg
71deg
71deg
71deg
71deg
Seat Tube Angle
74.5deg
74.5deg
74.5deg
74deg
74deg
Head Tube Length
95mm
105mm
120mm
130mm
140mm
Bottom Bracket Drop
50mm
50mm
50mm
50mm
50mm
Bottom Bracket Height
321mm
321mm
321mm
321mm
321mm
Chainstay Length
445mm
445mm
445mm
445mm
445mm
Chainstay Length Horizontal
442.2mm
442.2mm
442.2mm
442.2mm
442.2mm
Front-Center
619.8mm
631.8mm
645.8mm
649.7mm
662.7mm
Front-Center Horizontal
617.8mm
629.8mm
643.8mm
647.8mm
660.8mm
Wheelbase
1060mm
1072mm
1086mm
1090mm
1103mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
50mm
Trail
78.3mm
high
74.9mm
high
74.9mm
high
74.9mm
high
74.9mm
high
Mechanical Trail
73.8mm
70.8mm
70.8mm
70.8mm
70.8mm
Wheel Flop
24.7mm
23.1mm
23.1mm
23.1mm
23.1mm
Tire to Pedal Spindle
78.8mm
170 mm cranks
90.8mm
170 mm cranks
99.8mm
175 mm cranks
108.7mm
170 mm cranks
121.7mm
170 mm cranks
Pedal Spindle to Ground Clearance
151mm
170 mm cranks
151mm
170 mm cranks
146mm
175 mm cranks
151mm
170 mm cranks
151mm
170 mm cranks

Base Build

50
54
56
58
60
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
Tire Width
60mm
60mm
60mm
60mm
60mm
Tire Width Max
2.35in
2.35in
2.35in
2.35in
2.35in
Tire Outer Diameter
742mm
742mm
742mm
742mm
742mm
Bike Length with Tires
1802mm
1814mm
1828mm
1832mm
1845mm
Crank Length
175mm
Handlebar Width
440mm
Stem Length
130mm

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
Progressive Gravel
Source:Koga Specs Geometry 2015-2016