Kona Fire Mountain

Name: Kona Fire Mountain
Brand: Kona

2025 MountainCross-country Manufacturer page

Last known price: $749

Prices shown first for United States
Fork travel: 100 mm
Wheels: 27.5″
Drivetrain: 1 × 9 28t / 11–46t
Gear range: 418%
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

XS 147.3–154.9
SM 152.4–170.2
MD 157.5–182.9
LG 175.3–195.6
XL 180.3–195.6

Components

20 of 23 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Kona 6061 Aluminum Butted Not identified

Suspension

2 parts

Fork
- SR Suntour XCR32
Rear shock

None

Drivetrain

8 parts

Bottom bracket
- Feimin
Cassette
- microSHIFT ADVENT H-Series 9 Speed Cassette 11-46 9 speeds 11–46t
Chain
- KMC X9 9 speeds
Chain guide

None
Crankset
- Samox 28t
Front derailleur

None
Rear derailleur
- microSHIFT Advent
Shifters
- microSHIFT Advent

Brakes

3 parts

Wheels and tires

5 parts

Front hub
- Joytech
Rear hub
- Joytech
Rims
- Alex Rims
Spokes

Stainless Black 14g Not identified
Tires
- WTB

Cockpit and contact points

7 parts

Grips
- Kona
Handlebar
- Kona
Headset

Feimen HP-H868B Not identified

HP-H868B
Pedals
- Kona
Saddle
- Kona
Seatpost
- Kona
Stem
- Kona

Sizes and geometry

5 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 440mm

Stack 599mm

Wheelbase 1139mm

Head angle 68.0°

Seat angle 75.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 27.5″ wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 5 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	400	415	440	465	500
Stackmm	556	585	599	608	622
Top tube lengthmm	549	572	600	628	667
Seat tube lengthmm	331	370	420	470	530
Head tube lengthmm	100	100	115	125	140
Head tube angle	67.5°	68°	68°	68°	68°
Seat tube angle	75°	75°	75°	75°	75°
Chainstay lengthmm	425	425	435	435	435
Wheelbasemm	1085	1109	1139	1168	1208
Front centermm	662	678	709	737	778
Bottom bracket dropmm	30	50	50	50	50
Bottom bracket heightmm	303	304	304	304	304
Standover heightmm	675	710	718	724	747
Fork rakemm	40	42	42	42	42
Trailmm	104	88	98	98	98
Stack/reach ratio	1.39	1.41	1.36	1.31	1.24

Not published by the manufacturer: Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum

Suspension

Suspension configuration: Hardtail
Front travel: 100 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 28
Largest chainring: 28
Rear sprockets: 9
Smallest sprocket: 11
Largest sprocket: 46
Lowest gear: 16.7 in
Highest gear: 70.0 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Tire width: 2.25″
Wheel material: Aluminum
Wheel size: 27.5″

Technical analysis

2 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Front travel

100 mm

This value is within the central range for this class.

Cohort: Mountain / Cross-country Model year: 2025
Sample: 1,508 bicycles with this information
Coverage: 87.8% of the class

Shifting

Mechanical

222 of 1,648 bicycles with this information use electronic shifting.

Cohort: Mountain / Cross-country Model year: 2025
Sample: 1,648 bicycles with this information
Coverage: 95.9% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 6.4 km/h
Highest gear: 26.8 km/h

Total gear range 418%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.