2021 Kona Bicycle Company Kahuna Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Aluminum
Suspension
100mm fork travel
Features
Disc brake
Average stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

S
M
L
XL
Stack
602mm
611mm
620mm
629mm
Reach
415mm
440mm
465mm
500mm
Stack to Reach Ratio
1.45:1
1.39:1
1.33:1
1.26:1
Seat Tube Length, C-T
370mm
420mm
470mm
530mm
Top Tube Length, Effective/Horizontal Center
576mm
604mm
631mm
669mm
Top Tube Slope
25.6deg
20.5deg
15.8deg
10.4deg
Head Tube Angle
68deg
68deg
68deg
68deg
Seat Tube Angle
75deg
75deg
75deg
75deg
Head Tube Length
95mm
105mm
115mm
125mm
Bottom Bracket Drop
60mm
60mm
60mm
60mm
Bottom Bracket Height
310.7mm
310.7mm
310.7mm
310.7mm
Chainstay Length
450mm
450mm
450mm
450mm
Chainstay Length Horizontal
446mm
446mm
446mm
446mm
Front-Center
691mm
720mm
749mm
787mm
Front-Center Horizontal
689mm
718mm
746mm
785mm
Wheelbase
1135mm
1164mm
1192mm
1231mm
Fork Offset/Rake
51mm
51mm
51mm
51mm
Fork Length (On-Axis)
506mm
506mm
506mm
506mm
Trail
94.8mm
very high
94.8mm
very high
94.8mm
very high
94.8mm
very high
Mechanical Trail
87.9mm
87.9mm
87.9mm
87.9mm
Wheel Flop
32.9mm
32.9mm
32.9mm
32.9mm
Standover Height
727mm
733mm
738mm
760mm
Tire to Pedal Spindle
150.3mm
170 mm cranks
179.3mm
170 mm cranks
208.3mm
170 mm cranks
246.3mm
170 mm cranks
Pedal Spindle to Ground Clearance
140.7mm
170 mm cranks
140.7mm
170 mm cranks
140.7mm
170 mm cranks
140.7mm
170 mm cranks

Base Build

S
M
L
XL
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
Tire Width
2.35in
2.35in
2.35in
2.35in
Tire Outer Diameter
741.4mm
741.4mm
741.4mm
741.4mm
Bike Length with Tires
1876.4mm
1905.4mm
1933.4mm
1972.4mm

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
Source:https://konaworld.com/kahuna.cfm