Velopedia Bicycle Archive
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Compare published geometry, gearing and specifications for up to three bicycles.
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1 of 2 bicycles
At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Data limitation
No geometry is recorded for 2012 Kona Big Unit and 2009 Kona Big Unit.
- Data limitation
Only 2009 Kona Big Unit has enough published drivetrain data for gearing calculations.
- Equipment
2012 Kona Big Unit has 20 mm more front travel than 2009 Kona Big Unit in the selected sizes.
Front travel is fork suspension stroke, not rear-wheel travel.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Gearing unavailable for this size.
Ratio1.78:1
Estimated speed at 90 RPMGear
Uses front tire 29×2.1; rear size isn’t listed.
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.
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.
Specification
2012 Kona Big Unit
2009 Kona Big Unit
Overview
Model Year
2012
2009
Brand
Kona
Kona
Model
Big Unit
Big Unit
Bicycle Type
Mountain
Mountain bike, front suspension
Original MSRP
Not documented
$1,999.00
Colors
Blue
Lime Green Metallic
Sizes
16, 18, 19, 20, 22
16", 18", 19", 20", 22"
Weight
—
—
Frameset
Frame Construction
—
TIG-welded
Frame Material
Kona Scandium 69 Butted Alloy
Kona Race Light Scandium Butted
Fork
RockShox SID RLT 100mm
Fox 32 F29 RL, 80mm travel
Fork Material
—
Single
Drivetrain
Component Group
—
Single Speed Mix
Crankset
E*13 The Hive
Race Face Atlas SS w/bashguard, 32 teeth
Bottom Bracket
E*13 The Hive
Race Face X-Type
BB Shell Width
—
73mm
Cassette
Shimano 18t
Formula Sprocket
Rear Cogs
—
1-speed, 18 teeth
Chain
KMC Z610
KMC Z610
Pedals
—
Shimano PD-M520
Brakes
Brakes
Avid Elixir 7 180/160mm
Shimano M575 disc brakes, Shimano M575 Hydraulic levers
Cockpit & Contact Points
Headset
FSA No.57E
1 1/8" FSA Orbit DL
Handlebar
Kona Deluxe Energy Bar
Kona XC/BC Deluxe riser
Handlebar Extensions
—
Not included
Stem
Kona XC/Road
Kona XC/BC Deluxe
Saddle
WTB Valcon Comp
WTB Rocket V Comp
Seatpost
Kona Primo Double Clamp Offset
Kona XC/BC Deluxe
Wheels & Tires
Hubs
—
Formula disc
Rims
Stans/NoTubes ZTR ArchSS
Mavic TN 719
Spokes
—
Sandvic stainless, 15ga. (1.8mm)
Front Tire
Maxxis Aspen 29x2.1 Kevlar
29 x 2.10" Maxxis Ignitor
Wheel Size
—
29" wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.