Bicycle Archive · Specification reportBicycle Archive · Specification report2021 Kona Kahuna · 2018 Kona Kahuna
| Specification | 2021 Kona Kahuna | 2018 Kona Kahuna |
|---|---|---|
| Overview | ||
| Model year | 2021 | 2018 |
| Brand | Kona | Kona |
| Model | KAHUNA | KAHUNA |
| Bicycle type | Mountain | Mountain |
| Archive ID | 900001987 | 900003523 |
| Original MSRP | $1,399.00 | — |
| Colors | Gloss Metallic Alpine Blue w/ Metallic Silver & Black Decals | Matt Black & Olive w/ Olive & Yellow Decals |
| Sizes | S; M; L; XL | S; M; L; XL |
| Frameset | ||
| Frame construction | Kona Race Light 6061 Aluminum Butted | Kona 6061 Aluminum Butted |
| Frame material | Aluminum | Aluminum |
| Fork | RockShox Recon Silver RL Solo Air 100mm Tapered 110mm Spacing | RockShox Recon RL Solo Air 100mm Tapered |
| Rear shock | n/a | n/a |
| Drivetrain | ||
| Shifters | Shimano Deore 12 spd | SRAM NX |
| Front derailleur | n/a | n/a |
| Rear derailleur | Shimano Deore 12 spd | SRAM NX |
| Crankset | Shimano Deore 12spd; Chainring: 32t | SRAM NX; Chainring: 28t X-Sync |
| Bottom bracket | Shimano 73mm | SRAM Powerspline 73mm |
| Cassette | Shimano Deore 10-51t 12spd | SRAM PG1130 11-42t 11spd |
| Chain | Shimano Deore 12spd | SRAM PC1110 |
| Pedals | Kona JS2 | Kona JS2 |
| Brakes | ||
| Brakes | Brake Calipers: Shimano MT401 Hydraulic; Front Brake Rotor: Shimano RT10 180mm; Rear Brake Rotor: Shimano RT10 160mm; Brake Levers: Shimano MT401 Hydraulic | Brake Calipers: Shimano Deore; Front Brake Rotor: Shimano RT30 180mm (centerlock); Rear Brake Rotor: Shimano RT30 160mm (centerlock); Brake Levers: Shimano Deore |
| Cockpit & contact points | ||
| Headset | FSA No.57B | FSA No.57B |
| Handlebar | Kona XC/BC Riser | Kona XC/BC Riser |
| Stem | Kona XC | Kona XC |
| 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) Shimano 110x15mm / (R) Shimano 135x10mm | (F) Shimano 100x15mm (centerlock) / (R) Shimano 135x10mm (centerlock) |
| Rims | WTB ST I27 TCS 2.0 | WTB STP I25 |
| Spokes | Stainless Black 14g | Stainless Black 14g |
| Front tire | Maxxis Forekaster 29x2.35" | Schwalbe Nobby Nic 29x2.25" |
| Rear tire | Maxxis Forekaster 29x2.35" | Schwalbe Nobby Nic 29x2.25" |
| Wheel size | 29" | 29" |
One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.
| Measurement | 2021 Kona Kahuna | 2018 Kona Kahuna |
|---|---|---|
| Selected size / position | M | M |
| Reach | 440 mm | 428 mm |
| Stack | 611 mm | 616 mm |
| Head-tube angle | 68° | 69° |
| Seat-tube angle | 75° | 74° |
| Seat tube | 420 mm | 420 mm |
| Head tube | 105 mm | 105 mm |
| Chainstay / rear center | 450 mm | 450 mm |
| Wheelbase | 1164 mm | 1142 mm |
| Bottom-bracket drop | 60 mm | 60 mm |
| Bottom-bracket height | 315 mm | 312 mm |
| Standover height | 733 mm | 735 mm |
| Fork offset / rake | 51 mm | 51 mm |
| Front center | 720 mm | 699 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 7, 2026.