Bicycle Archive · Specification report2018 Kona Big Kahuna · 2017 Kona Big Kahuna
| Specification | 2018 Kona Big Kahuna | 2017 Kona Big Kahuna |
|---|---|---|
| Overview | ||
| Model year | 2018 | 2017 |
| Brand | Kona | Kona |
| Model | Big Kahuna | Big Kahuna |
| Bicycle type | Mountain | Mountain |
| Archive ID | 900003576 | 900003174 |
| Colors | Gloss Hot Orange & Black w/ Black & Blue Decals | Gloss Red/Red/Silver |
| Sizes | S; M; L; XL | S; M; L; XL |
| Frameset | ||
| Frame construction | Kona 6061 Aluminum Butted | Kona Race Light 6061 Aluminum Butted |
| Frame material | Aluminum | Aluminum |
| Fork | RockShox Recon RL Solo Air 100mm Tapered 110mm Spacing | RockShox Recon Silver RL Solo Air 100mm Tapered QR15 110mm Spacing |
| Rear shock | n/a | n/a |
| Drivetrain | ||
| Shifters | Shimano Deore | Shimano Deore |
| Front derailleur | Shimano Deore | Shimano Deore |
| Rear derailleur | Shimano Deore | Shimano Deore |
| Crankset | RaceFace Aeffect; Chainring: 22/36t | RaceFace Aeffect; Chainring: 22/36t |
| Bottom bracket | RaceFace 83mm | RaceFace |
| Cassette | Shimano HG500 11-42t 10spd | Shimano HG50 11-36t 10spd |
| Chain | Shimano HG54 | KMC X10 |
| Pedals | Kona JS2 | Wellgo Platform |
| Brakes | ||
| Brakes | Brake Calipers: Shimano Hydraulic MT500; Front Brake Rotor: Shimano RT26 180mm; Rear Brake Rotor: Shimano RT26 160mm; Brake Levers: Shimano Hydraulic MT500 | Brake Calipers: Shimano Deore; Front Brake Rotor: Shimano Deore 180mm; Rear Brake Rotor: Shimano Deore 160mm; 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/BC | Kona XC/BC |
| Saddle | WTB Pure V Sport | WTB Volt Sport SE (Volt Sport SE 250 size S) |
| Seatpost | Kona Thumb w/Offset 31.6mm | Kona Thumb w/Offset 31.6mm |
| Wheels & tires | ||
| Hubs | (F) Formula 110x15mm / (R) Formula 157x12mm | (F) Formula 110x15mm / (R) Formula 157x12mm |
| Rims | WTB Scraper i40 Pinned TCS | WTB Scraper i40 |
| Spokes | Stainless Black 14g | Stainless 14g Black |
| Front tire | Schwalbe Nobby Nic 27.5x2.8" | Schwalbe Nobby Nic 27.5x2.8" |
| Rear tire | Schwalbe Nobby Nic 27.5x2.8" | Schwalbe Nobby Nic 27.5x2.8" |
| Wheel size | 27.5" | 27.5" |
One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.
| Measurement | 2018 Kona Big Kahuna | 2017 Kona Big Kahuna |
|---|---|---|
| Selected size / position | M | M |
| Reach | 429 mm | 429 mm |
| Stack | 613 mm | 613 mm |
| Head-tube angle | 69° | 69° |
| Seat-tube angle | 74° | 74° |
| Seat tube | 420 mm | 420 mm |
| Head tube | 105 mm | 105 mm |
| Chainstay / rear center | 440 mm | 440 mm |
| Wheelbase | 1135 mm | 1135 mm |
| Bottom-bracket drop | 55 mm | 55 mm |
| Bottom-bracket height | 310 mm | 310 mm |
| Standover height | 745 mm | 745 mm |
| Fork offset / rake | 51 mm | 51 mm |
| Front center | 700 mm | 700 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 7, 2026.