2021 Kona Bicycle Company Kahuna Base M
Build
700C/29 in × 2.35 in
Insights
Somewhat aggressive stack and reach vs trend of hardtail cross-country mtb bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 611mm |
| Reach | 440mm |
| Stack to Reach Ratio | 1.39:1 |
| Seat Tube Length, C-T | 420mm |
| Top Tube Length, Effective/Horizontal Center | 604mm |
| Top Tube Slope | 20.5deg |
| Head Tube Angle | 68deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 310.7mm |
| Chainstay Length | 450mm |
| Chainstay Length Horizontal | 446mm |
| Front-Center | 720mm |
| Front-Center Horizontal | 718mm |
| Wheelbase | 1164mm |
| Fork Offset/Rake | 51mm |
| Fork Length (On-Axis) | 506mm |
| Trail | 94.8mm very high |
| Mechanical Trail | 87.9mm |
| Wheel Flop | 32.9mm |
| Standover Height | 733mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 179.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 140.7mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.35in |
| Tire Outer Diameter | 741.4mm |
| Bike Length with Tires | 1905.4mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://konaworld.com/kahuna.cfm