Bicycle Archive · Specification reportBicycle Archive · Specification report2021 Kona Fire Mountain · 2018 Kona Fire Mountain
| Specification | 2021 Kona Fire Mountain | 2018 Kona Fire Mountain |
|---|---|---|
| Overview | ||
| Model year | 2021 | 2018 |
| Brand | Kona | Kona |
| Model | Fire Mountain | Fire Mountain |
| Bicycle type | Mountain | Mountain |
| Archive ID | 900001981 | 900003515 |
| Original MSRP | $799.00 | — |
| Colors | Matt Blood Orange or Matt Faux Raw w/ Gloss Metallic Blue & Black Decals | Matt Green or Black & Lime w/ Grey & Lime Decals |
| Sizes | XS (26"); S; M; L; XL | XS (26"); S; M; L; XL |
| Frameset | ||
| Frame construction | Kona 6061 Aluminum Butted | Kona 6061 Aluminum Butted |
| Frame material | Aluminum | Aluminum |
| Fork | Suntour XCR 32 LO-R Coil Spring 100mm | Suntour XCR 32 LO-R Coil Spring 100mm |
| Rear shock | n/a | n/a |
| Drivetrain | ||
| Shifters | Microshift Advent | Shimano Altus |
| Front derailleur | n/a | Shimano Altus |
| Rear derailleur | Microshift Advent w/ Clutch | Shimano Alivio |
| Crankset | Samox; Chainring: 28t | Shimano Altus; Chainring: 22/30/40t |
| Bottom bracket | FSA 7420 73mm | Shimano 73mm |
| Cassette | Microshift Advent 11-46t 9spd | Shimano HG200 11-36t 9spd |
| Chain | KMC X9 | KMC X9 |
| Pedals | Kona JS2 | Kona JS2 |
| Brakes | ||
| Brakes | Brake Calipers: Tektro HDM275; Front Brake Rotor: Tektro TR180 180mm; Rear Brake Rotor: Tektro TR160 160mm; Brake Levers: Tektro HDM275 | Brake Calipers: Tektro HDM285; Front Brake Rotor: Tektro TR180 180mm; Rear Brake Rotor: Tektro TR160 160mm; Brake Levers: Tektro HDM285 |
| Cockpit & contact points | ||
| Headset | FSA No.57B | FSA No.57B |
| Handlebar | Kona Aluminum Riser | Kona Aluminum Riser |
| Stem | Kona Control | Kona Control |
| Saddle | Kona XC | Kona XC |
| Seatpost | Kona Thumb w/Offset 31.6mm | Kona Thumb w/Offset 31.6mm |
| Wheels & tires | ||
| Hubs | (F) Joytech 100x9mm / (R) Joytech 135x10mm | (F) Formula 100x9mm / (R) Formula 135x10mm |
| Rims | Alex DP27K | Double Wall alloy |
| Spokes | Stainless Black 14g | Stainless Black 14g |
| Front tire | WTB Trail Boss 27.5/26x2.25" | WTB Trail Boss 27.5/26x2.25" |
| Rear tire | WTB Trail Boss 27.5/26x2.25" | WTB Trail Boss 27.5/26x2.25" |
| Wheel size | 26" | 26"/27.5" |
One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.
| Measurement | 2021 Kona Fire Mountain | 2018 Kona Fire Mountain |
|---|---|---|
| Selected size / position | M | M |
| Reach | 440 mm | 425 mm |
| Stack | 599 mm | 607 mm |
| Head-tube angle | 68° | 68.5° |
| Seat-tube angle | 75° | 74° |
| Seat tube | 420 mm | 420 mm |
| Head tube | 115 mm | 115 mm |
| Chainstay / rear center | 435 mm | 435 mm |
| Wheelbase | 1139 mm | 1121 mm |
| Bottom-bracket drop | 50 mm | 50 mm |
| Bottom-bracket height | 304 mm | 303 mm |
| Standover height | 718 mm | 723 mm |
| Fork offset / rake | 42 mm | 42 mm |
| Front center | 709 mm | 691 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 5, 2026.