Velopedia Bicycle Archive
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Compare published geometry, gearing and specifications for up to three bicycles.
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At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Data limitation
No geometry is recorded for 2004 Kona Blast.
- Equipment
2004 Kona Blast has 20 mm more front travel than 2003 Kona Blast 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.
Lowest0.69:1Highest3.82:1Total range555%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 26×1.9; rear size isn’t listed.
Lowest0.69:1Highest4.00:1Total range582%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 26×1.95; 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
2003 Kona Blast
2004 Kona Blast
Overview
Model Year
2003
2004
Brand
Kona
Kona
Model
Blast
Blast
Bicycle Type
Mountain bike, front suspension
Mountain bike, front suspension
Original MSRP
$549.00
$559.00
Colors
Gray/Blue
Black/Blue
Sizes
14", 16", 18", 19", 20", 21"
14", 16", 18", 19", 20", 21"
Weight
—
29.9 lb
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
7005 aluminum, double-butted
7005 aluminum
Fork
Marzocchi EXR Comp, 80mm travel
Marzocchi MZ Comp, 100mm travel
Fork Material
Aluminum/magnesium, single crown
Aluminum, single crown
Drivetrain
Component Group
Mountain Mix
Mountain Mix
Shifters
Shimano Deore
Shimano Deore RapidFire
Front Derailleur
Shimano Deore
Shimano Deore, bottom-pull/clamp-on
Rear Derailleur
Shimano Deore
Shimano Deore LX
Crankset
TruVativ Five-D, 22/32/42 teeth
TruVativ Five D, 22/32/44 teeth
Bottom Bracket
VP cartridge
TruVativ LE
Rear Cogs
9-speed, 11 - 32 teeth
9-speed, 11 - 32 teeth
Chain
Shimano CN-HG50, 1/2 x 3/32"
Shimano CN-HG53, 1/2 x 3/32"
Pedals
Wellgo aluminum
Wellgo A9 w/ clips and straps
Brakes
Brakes
Tektro XC brakes, Tektro XC levers
Tektro linear-pull brakes, Tektro linear-pull levers
Cockpit & Contact Points
Headset
1 1/8" threadless VP Threadless
1 1/8" threadless Victor VP-A71
Handlebar
Kona Aluminum Riser
Kona Riser
Handlebar Extensions
Not included
Not included
Stem
Kona Control
Kona Control
Saddle
SDG Comfort Comp
Kona Comfort Comp
Seatpost
Kona Thumb
Kona Thumb
Wheels & Tires
Hubs
Front: Formula XC, Rear: Shimano QR
Front: Shimano HB-M475 Disc, Rear: Shimano FH-M475 disc
Rims
Strong
Sun Rims Mach 4, 32-hole
Spokes
Stainless steel, 15ga. Front / 14ga. Rear straight gauge
Stainless steel, 15ga. Front / 14ga. Rear straight gauge
Spoke Nipples
—
Brass nipples
Front Tire
26 x 1.90" Tioga Factory
26 x 1.95" Tioga Terra Firma
Wheel Size
26" wheels
26" wheels
Geometry · choose a size for each bicycle
Geometry size
—
Head-tube angle
71°
—
Seat-tube angle
74°
—
Chainstay / rear center
424.2 mm
—
Wheelbase
1064.3 mm
—
Fork offset / rake
38.1 mm
—
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run. Legacy reference geometry is model-level historical data whose corresponding frame size is not identified; compare those dimensions as reference values rather than size-normalized fit data.