2021 Kona Bicycle Company Fire Mountain Base L

Build

650B/27.5 in × 2.25 in

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

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
608mm
Reach
465mm
Stack to Reach Ratio
1.31:1
Seat Tube Length, Unknown
470mm
Top Tube Length, Effective/Horizontal Unknown
628mm
Top Tube Slope
14.7deg
Head Tube Angle
68deg
Seat Tube Angle
74deg
Head Tube Length
125mm
Bottom Bracket Drop
50mm
Bottom Bracket Height
299.2mm
Chainstay Length
435mm
Chainstay Length Horizontal
432.1mm
Front-Center
737mm
Front-Center Horizontal
735.9mm
Wheelbase
1168mm
Fork Offset/Rake
42mm
Fork Length, Unknown
490mm
Trail
95.8mm
very high
Mechanical Trail
88.8mm
Wheel Flop
33.3mm
Standover Height
739.9mm
Tire to Pedal Spindle Distance
With 170 mm cranks
217.9mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
129.2mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.25in
Tire Outer Diameter
698.3mm
Bike Length with Tires
1866.3mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
100mm
Suspension Sag
Unknown
Frame Material
Aluminum
Fork Material
Aluminum
Brake Type
Disc
Source:https://konaworld.com/fire_mountain.cfm