Velopedia Bicycle Archive

Compare Bicycles

Compare published geometry, gearing and specifications for up to three bicycles.

1 of 2 bicycles

At a glance

Key differences

Supported differences are shown below. Data limitations are labeled separately.

  1. Data limitation

    No geometry is recorded for 2009 Kona Big Kahuna and 2012 Kona Big Kahuna.

  2. Gearing

    2009 Kona Big Kahuna has a 10% lower climbing ratio than 2012 Kona Big Kahuna.

    A lower ratio gives more mechanical advantage; rear-wheel rollout determines distance per crank turn.

Gearing comparison

Lower gears help on climbs. Higher gears suit higher speeds.

RPM

RPM = pedal turns per minute.

2009 Kona Big Kahuna44/32/22T · 11–34T · 9-speed
Lowest0.65:1Highest4.00:1Total range618%
Estimated speed at 90 RPMLowest gear5.0 mphHighest gear30.7 mph

Uses front tire 29×2.1; rear size isn’t listed.

2012 Kona Big Kahuna39/26T · 12–36T · 10-speed
Lowest0.72:1Highest3.25:1Total range450%

Speed unavailable: wheel or tire size is missing or unclear.

How it works

Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.

Speeds are estimates from tire size and pedal cadence. Actual speeds vary.

Try other gearing

Complete specification tableShows different published values and gaps where a bicycle lacks data. Different wording reflects source language, not necessarily different components. Swipe for more columns.
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Specification
2009 Kona Big Kahuna
2012 Kona Big Kahuna
Overview
Model Year
2009
2012
Brand
Kona
Kona
Model
Big Kahuna
Big Kahuna
Bicycle Type
Mountain bike, front suspension
Mountain
Original MSRP
$1,499.00
Not documented
Colors
Brown Metallic/Pearl White
Grey/Black
Sizes
16", 18", 19", 20", 22"
16, 18, 19, 20, 22
Weight
—
—
Frameset
Frame Construction
TIG-welded
—
Frame Material
Kona Race Light 7005 Aluminum Butted
Kona Scandium 69 Butted Alloy
Fork
RockShox Tora Race 29er, 80mm travel
RockShox Reba RL 29
Fork Material
Single
—
Drivetrain
Component Group
Shimano Deore
—
Shifters
Shimano Deore RapidFire
SRAM X7 10spd
Front Derailleur
Shimano Deore
SRAM X7
Rear Derailleur
Shimano XT Shadow
SRAM X9 10spd
Crankset
Shimano SLX, 22/32/44 teeth
SRAM X7 39/26t
Bottom Bracket
Shimano SLX Hollowtech II
SRAM X7
BB Shell Width
73mm
—
Cassette
Shimano Deore
SRAM PG-1030 12-36T
Rear Cogs
9-speed, 11 - 34 teeth
—
Chain
Shimano Deore
SRAM PC-1031
Pedals
Shimano M520
Shimano 520 clipless
Brakes
Brakes
Shimano M575 disc brakes, Shimano M575 Hydraulic levers
Avid Elixir 5 180/160mm
Cockpit & Contact Points
Headset
1 1/8" TH
FSA No. 57-B
Handlebar
Kona XC/BC Deluxe riser
Kona Deluxe Energy Bar
Handlebar Extensions
Not included
—
Stem
Kona XC/BC Deluxe
Kona XC/Road
Saddle
WTB Rocket V Comp
WTB Valcon Comp
Seatpost
Kona XC/BC Deluxe
Kona Double Clamp Offset
Wheels & Tires
Hubs
Front: Formula disc, Rear: Shimano M525 disc
—
Rims
Sun EQ 2.3SL
Easton XC 29er
Front Tire
29 x 2.10" Maxxis Ignitor
Maxxis Ikon 29x2.2 Kevlar
Wheel Size
29" wheels
—

Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.

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