Bicycle Archive · Specification reportBicycle Archive · Specification report2018 Kona Big Kahuna · 2012 Kona Big Kahuna
| Specification | 2018 Kona Big Kahuna | 2012 Kona Big Kahuna |
|---|---|---|
| Overview | ||
| Model year | 2018 | 2012 |
| Brand | Kona | Kona |
| Model | Big Kahuna | Big Kahuna |
| Bicycle type | Mountain | Mountain |
| Archive ID | 900003576 | 2025296 |
| Colors | Gloss Hot Orange & Black w/ Black & Blue Decals | Grey/Black |
| Sizes | S; M; L; XL | 16, 18, 19, 20, 22 |
| Frameset | ||
| Frame construction | Kona 6061 Aluminum Butted | — |
| Frame material | Aluminum | Kona Scandium 69 Butted Alloy |
| Fork | RockShox Recon RL Solo Air 100mm Tapered 110mm Spacing | RockShox Reba RL 29 |
| Rear shock | n/a | — |
| Drivetrain | ||
| Shifters | Shimano Deore | SRAM X7 10spd |
| Front derailleur | Shimano Deore | SRAM X7 |
| Rear derailleur | Shimano Deore | SRAM X9 10spd |
| Crankset | RaceFace Aeffect; Chainring: 22/36t | SRAM X7 39/26t |
| Bottom bracket | RaceFace 83mm | SRAM X7 |
| Cassette | Shimano HG500 11-42t 10spd | SRAM PG-1030 12-36T |
| Chain | Shimano HG54 | SRAM PC-1031 |
| Pedals | Kona JS2 | Shimano 520 clipless |
| Brakes | ||
| Brakes | Brake Calipers: Shimano Hydraulic MT500; Front Brake Rotor: Shimano RT26 180mm; Rear Brake Rotor: Shimano RT26 160mm; Brake Levers: Shimano Hydraulic MT500 | Avid Elixir 5 180/160mm |
| Cockpit & contact points | ||
| Headset | FSA No.57B | FSA No. 57-B |
| Handlebar | Kona XC/BC Riser | Kona Deluxe Energy Bar |
| Stem | Kona XC/BC | Kona XC/Road |
| Saddle | WTB Pure V Sport | WTB Valcon Comp |
| Seatpost | Kona Thumb w/Offset 31.6mm | Kona Double Clamp Offset |
| Wheels & tires | ||
| Hubs | (F) Formula 110x15mm / (R) Formula 157x12mm | — |
| Rims | WTB Scraper i40 Pinned TCS | Easton XC 29er |
| Spokes | Stainless Black 14g | — |
| Front tire | Schwalbe Nobby Nic 27.5x2.8" | Maxxis Ikon 29x2.2 Kevlar |
| Rear tire | Schwalbe Nobby Nic 27.5x2.8" | — |
| Wheel size | 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 | 2012 Kona Big Kahuna |
|---|---|---|
| Selected size / position | M | — |
| Reach | 429 mm | — |
| Stack | 613 mm | — |
| Head-tube angle | 69° | — |
| Seat-tube angle | 74° | — |
| Seat tube | 420 mm | — |
| Head tube | 105 mm | — |
| Chainstay / rear center | 440 mm | — |
| Wheelbase | 1135 mm | — |
| Bottom-bracket drop | 55 mm | — |
| Bottom-bracket height | 310 mm | — |
| Standover height | 745 mm | — |
| Fork offset / rake | 51 mm | — |
| Front center | 700 mm | — |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 6, 2026.