VelopediaBicycle Archive · Specification report

Bicycle comparison

2018 Kona Big Kahuna · 2017 Kona Big Kahuna

Specification2018 Kona Big Kahuna2017 Kona Big Kahuna
Overview
Model year20182017
BrandKonaKona
ModelBig KahunaBig Kahuna
Bicycle typeMountainMountain
Archive ID900003576900003174
ColorsGloss Hot Orange & Black w/ Black & Blue DecalsGloss Red/Red/Silver
SizesS; M; L; XLS; M; L; XL
Frameset
Frame constructionKona 6061 Aluminum ButtedKona Race Light 6061 Aluminum Butted
Frame materialAluminumAluminum
ForkRockShox Recon RL Solo Air 100mm Tapered 110mm SpacingRockShox Recon Silver RL Solo Air 100mm Tapered QR15 110mm Spacing
Rear shockn/an/a
Drivetrain
ShiftersShimano DeoreShimano Deore
Front derailleurShimano DeoreShimano Deore
Rear derailleurShimano DeoreShimano Deore
CranksetRaceFace Aeffect; Chainring: 22/36tRaceFace Aeffect; Chainring: 22/36t
Bottom bracketRaceFace 83mmRaceFace
CassetteShimano HG500 11-42t 10spdShimano HG50 11-36t 10spd
ChainShimano HG54KMC X10
PedalsKona JS2Wellgo Platform
Brakes
BrakesBrake Calipers: Shimano Hydraulic MT500; Front Brake Rotor: Shimano RT26 180mm; Rear Brake Rotor: Shimano RT26 160mm; Brake Levers: Shimano Hydraulic MT500Brake Calipers: Shimano Deore; Front Brake Rotor: Shimano Deore 180mm; Rear Brake Rotor: Shimano Deore 160mm; Brake Levers: Shimano Deore
Cockpit & contact points
HeadsetFSA No.57BFSA No.57B
HandlebarKona XC/BC RiserKona XC/BC Riser
StemKona XC/BCKona XC/BC
SaddleWTB Pure V SportWTB Volt Sport SE (Volt Sport SE 250 size S)
SeatpostKona Thumb w/Offset 31.6mmKona Thumb w/Offset 31.6mm
Wheels & tires
Hubs(F) Formula 110x15mm / (R) Formula 157x12mm(F) Formula 110x15mm / (R) Formula 157x12mm
RimsWTB Scraper i40 Pinned TCSWTB Scraper i40
SpokesStainless Black 14gStainless 14g Black
Front tireSchwalbe Nobby Nic 27.5x2.8"Schwalbe Nobby Nic 27.5x2.8"
Rear tireSchwalbe Nobby Nic 27.5x2.8"Schwalbe Nobby Nic 27.5x2.8"
Wheel size27.5"27.5"

Geometry comparison

One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.

Measurement2018 Kona Big Kahuna2017 Kona Big Kahuna
Selected size / positionMM
Reach429 mm429 mm
Stack613 mm613 mm
Head-tube angle69°69°
Seat-tube angle74°74°
Seat tube420 mm420 mm
Head tube105 mm105 mm
Chainstay / rear center440 mm440 mm
Wheelbase1135 mm1135 mm
Bottom-bracket drop55 mm55 mm
Bottom-bracket height310 mm310 mm
Standover height745 mm745 mm
Fork offset / rake51 mm51 mm
Front center700 mm700 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 7, 2026.