2018 Kona Bicycle Company Humuhumu Base
- Category
- Rigid MTB
- Design
- Swept Back Bar, Rigid, suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Disc brake
Geometry
Small | Medium | Large | |
Stack | 574mm | 593mm | 612mm |
Reach | 408mm | 429mm | 448mm |
Stack to Reach Ratio | 1.41:1 | 1.38:1 | 1.37:1 |
Seat Tube Length, C-T | 406mm | 457mm | 508mm |
Top Tube Length, Effective/Horizontal HT Top | 584mm | 610mm | 635mm |
Top Tube Slope | 19.4deg | 15.5deg | 12deg |
Head Tube Angle | 70deg | 70deg | 70deg |
Seat Tube Angle | 73deg | 73deg | 73deg |
Head Tube Length | 110mm | 130mm | 150mm |
Bottom Bracket Drop | 74mm | 74mm | 74mm |
Bottom Bracket Height | 287mm | 287mm | 287mm |
Chainstay Length | 450mm | 450mm | 450mm |
Chainstay Length Horizontal | 443.9mm | 443.9mm | 443.9mm |
Front-Center | 642.4mm | 669.2mm | 696.1mm |
Front-Center Horizontal | 638.1mm | 665.1mm | 692.1mm |
Wheelbase | 1082mm | 1109mm | 1136mm |
Fork Offset/Rake | 45.2mm | 44.4mm | 45.4mm |
Trail | 83.3mm very high | 84.2mm very high | 83.1mm very high |
Mechanical Trail | 78.2mm | 79.1mm | 78.1mm |
Wheel Flop | 26.8mm | 27.1mm | 26.7mm |
Standover Height | 680mm | 725mm | 770mm |
Tire to Pedal Spindle | 111.4mm 170 mm cranks | 138.2mm 170 mm cranks | 165.1mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 117mm 170 mm cranks | 117mm 170 mm cranks | 117mm 170 mm cranks |
Base Build
Small | Medium | Large | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 50mm | 50mm | 50mm |
Tire Outer Diameter | 722mm | 722mm | 722mm |
Bike Length with Tires | 1804mm | 1831mm | 1858mm |
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 ScaleCategory Trend
Rigid MTBSource:https://www.jensonusa.com/Kona-Humuhumu-Bike