Bicycle Archive · Specification reportBicycle Archive · Specification report2021 Kona Unit · 2018 Kona Unit
| Specification | 2021 Kona Unit | 2018 Kona Unit |
|---|---|---|
| Overview | ||
| Model year | 2021 | 2018 |
| Brand | Kona | Kona |
| Model | Unit | Unit |
| Bicycle type | Mountain | Mountain |
| Archive ID | 900001983 | 900003557 |
| Original MSRP | $1,249.00 | — |
| Colors | Satin Fatgue Green w/ Gloss Yellow, Nicotine & Flame Fade Decals | Matt Black & Grey w/ Grey & Yellow Decals |
| Sizes | S; M; L; XL | S; M; L; XL |
| Frameset | ||
| Frame construction | Reynolds 520 Butted Cromoly | Reynolds 520 Butted Cromoly |
| Frame material | Steel | Steel |
| Fork | Kona Plus fork 110mm spacing | Kona Plus fork |
| Rear shock | n/a | n/a |
| Drivetrain | ||
| Shifters | n/a | n/a |
| Front derailleur | n/a | n/a |
| Rear derailleur | n/a | n/a |
| Crankset | FSA Comet Modular; Chainring: 32t | FSA Comet Modular; Chainring: 32t |
| Bottom bracket | FSA MegaExo 73mm | FSA 7100 |
| Cassette | Joytech 18t | Joytech 18t |
| Chain | KMC Z1 Narrow | KMC Z610 |
| Pedals | Kona JS2 | Kona JS2 |
| Brakes | ||
| Brakes | Brake Calipers: Shimano MT201 Hydraulic; Front Brake Rotor: Shimano RT26 180mm; Rear Brake Rotor: Shimano RT26 160mm; Brake Levers: Shimano MT201 Hydraulic | Brake Calipers: Tektro HDM285; Front Brake Rotor: Tektro TR180 180mm; Rear Brake Rotor: Tektro TR160 160mm; Brake Levers: Tektro HDM285 |
| Cockpit & contact points | ||
| Headset | TH ZST no.10 | TH ZST no.10 |
| Handlebar | Kona XC/BC Riser | Kona XC/BC Riser |
| Stem | Kona XC | Kona XC/BC |
| Saddle | WTB Volt | WTB Volt Comp (Comp 250 size S) |
| Seatpost | Kona Thumb w/Offset 31.6mm | Kona Thumb w/Offset 31.6mm |
| Wheels & tires | ||
| Hubs | (F) Formula 110x15mm / (R) Formula 148x12mm | (F) Formula 100x9mm / (R) Formula 135x10mm |
| Rims | WTB ST I30 TCS 2.0 | WTB Scraper i40 Pinned TCS |
| Spokes | Stainless Black 14g | Sandvik Stainless 15g fr / 14g rr |
| Front tire | WTB Ranger TCS 29x2.6" | WTB Ranger TCS 27.5x2.8" |
| Rear tire | WTB Ranger TCS 29x2.6" | WTB Ranger TCS 27.5x2.8" |
| Wheel size | 29" | 27.5" |
One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.
| Measurement | 2021 Kona Unit | 2018 Kona Unit |
|---|---|---|
| Selected size / position | M | M |
| Reach | 450 mm | 429 mm |
| Stack | 597 mm | 582 mm |
| Head-tube angle | 68° | 69° |
| Seat-tube angle | 75° | 74° |
| Seat tube | 420 mm | 420 mm |
| Head tube | 120 mm | 105 mm |
| Chainstay / rear center | 430 mm | 442 mm |
| Wheelbase | 1144 mm | 1121 mm |
| Bottom-bracket drop | 65 mm | 60 mm |
| Bottom-bracket height | 310 mm | 305 mm |
| Standover height | 731 mm | 725 mm |
| Fork offset / rake | 50 mm | 50 mm |
| Front center | 722 mm | 686 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 8, 2026.