2013 Kona Bicycle Company Big Unit frame

Category
Rigid MTB
Design
Flat Bar, Rigid, suspension corrected
Frame
Aluminum
Fork
Steel
Features
Disc brake
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Very upright stack and reachvs category
Very upright stack and reachvs category
Very upright stack and reachvs category

Geometry

16
18
19
20
22
Stack
617.2mm
629.9mm
637.5mm
645.2mm
670.6mm
Reach
393.7mm
414mm
414mm
421.6mm
442mm
Stack to Reach Ratio
1.57:1
1.52:1
1.54:1
1.53:1
1.52:1
Seat Tube Length, C-T
406.4mm
457.2mm
482.6mm
508mm
558.8mm
Top Tube Length, Effective/Horizontal Unknown
571.5mm
596.9mm
609.6mm
622.3mm
647.7mm
Top Tube Slope
24.1deg
19.4deg
17.6deg
15.6deg
12.7deg
Head Tube Angle
68.5deg
70deg
70deg
70deg
71deg
Seat Tube Angle
74deg
74deg
73deg
73deg
73deg
Head Tube Length
109.2mm
119.4mm
129.5mm
139.7mm
160mm
Bottom Bracket Drop
58.4mm
53.3mm
53.3mm
53.3mm
53.3mm
Bottom Bracket Height
308.5mm
313.5mm
313.5mm
313.5mm
313.5mm
Chainstay Length
434.3mm
434.3mm
434.3mm
434.3mm
434.3mm
Chainstay Length Horizontal
430.4mm
431.1mm
431.1mm
431.1mm
431.1mm
Front-Center
665.5mm
675.6mm
678.2mm
690.9mm
706.1mm
Front-Center Horizontal
664.4mm
673.9mm
676.4mm
689.1mm
704.3mm
Wheelbase
1094.7mm
1104.9mm
1107.4mm
1120.1mm
1135.4mm
Fork Offset/Rake
47mm
47mm
47mm
47mm
47mm
Fork Length (Axle-To-Crown)
483mm
483mm
483mm
483mm
483mm
Trail
94mm
very high
83.5mm
very high
83.5mm
very high
83.5mm
very high
76.6mm
high
Mechanical Trail
87.5mm
78.5mm
78.5mm
78.5mm
72.4mm
Wheel Flop
32.1mm
26.8mm
26.8mm
26.8mm
23.6mm
Standover Height
779.8mm
815.3mm
830.6mm
843.3mm
878.8mm
Tire to Pedal Spindle
128.6mm
170 mm cranks
138.8mm
170 mm cranks
141.3mm
170 mm cranks
154mm
170 mm cranks
169.2mm
170 mm cranks
Pedal Spindle to Ground Clearance
138.5mm
170 mm cranks
143.5mm
170 mm cranks
143.5mm
170 mm cranks
143.5mm
170 mm cranks
143.5mm
170 mm cranks

frame Build

16
18
19
20
22
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
2.2in
2.2in
2.2in
2.2in
2.2in
Tire Outer Diameter
733.8mm
733.8mm
733.8mm
733.8mm
733.8mm
Bike Length with Tires
1828.5mm
1838.7mm
1841.2mm
1853.9mm
1869.1mm

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
Rigid MTB
Source:http://2013.konaworld.com/bike.cfm?content=big_unit#2