Bike-on-Bike
Insights
Somewhat aggressive stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of Kona Bicycle Company Fire Mountain
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Geometry
Stack | 607mm | — |
Reach | 452mm | — |
Stack to Reach Ratio | 1.34:1 | — |
Seat Tube Length, Unknown | 470mm | — |
Top Tube Length, Effective/Horizontal Unknown | 626mm | — |
Top Tube Slope | 14.9deg | — |
Head Tube Angle | 68.5deg | — |
Seat Tube Angle | 74deg | — |
Head Tube Length | 125mm | — |
Bottom Bracket Drop | 50mm | — |
Bottom Bracket Height | 295.3mm | — |
Chainstay Length | 435mm | — |
Chainstay Length Horizontal | 432.1mm | — |
Front-Center | 718mm | — |
Front-Center Horizontal | 716.9mm | — |
Wheelbase | 1149mm | — |
Fork Offset/Rake | 42mm | — |
Fork Length, Unknown | 487mm | — |
Trail | 90.9mm very high | — — |
Mechanical Trail | 84.6mm | — |
Wheel Flop | 31mm | — |
Standover Height | 736.1mm | — |
Tire to Pedal Spindle | 202.7mm 170 mm cranks | — |
Pedal Spindle to Ground Clearance | 125.3mm 170 mm cranks | — |
Build
Wheel Size | 650B/27.5 in 584 mm BSD | — — |
Tire Width | 2.1in | — |
Tire Outer Diameter | 690.7mm | — |
Bike Length with Tires | 1839.7mm | — |
| Suspension Type | Hardtail (Front suspension) | — |
| Bar Type | Flat Bar | — |
| Fork Travel | Unknown | — |
| Rear Travel | Unknown | — |
| Suspension Sag | Unknown | — |
| Frame Material | Aluminum | — |
| Fork Material | Aluminum | — |
| Brake Type | Disc | — |
Meta
| Actions | — | |
| Source | https://konaworld.com/archive/2016/fire_mountain.cfm | — |
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