Velopedia Bicycle Archive

2004 Fuji Blaster DX

Original specifications: Shimano Tourney · 7-speed · mechanical rear derailleur · 24" wheels · 33 lb published weight.

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At a glance

Archive #31134
Model year
2004
Category
Kids
Original MSRP
$279.99
Sizes
Boys 15"
Colors
Red
Weight
33 lb
Geometry
Legacy reference
In this record
28 specifications · archived image · original MSRP · geometry
Model history 3 other years

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Identification clues

2004 archived details

Published colors
Red
Frame
Altair 1 Aluminum
Original equipment
Juvenile Mix

Clues, not proof of model year. Colors vary and components may have been replaced.

Campaign
Original buildAltair 1 Aluminum · Juvenile Mix · 24" wheels

Manufacturer catalog

Published sizes and colors

1 size · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

Boys 15"

Published colors

Red

Frameset

Frame ConstructionTIG-welded
Frame MaterialAltair 1 Aluminum
ForkFuji suspension, 50mm travel
Fork MaterialAluminum, single crown
Rear ShockToughShock SD, 3.0" travel

Drivetrain

Component GroupJuvenile Mix
ShiftersSRAM MRX
Front DerailleurSuntour FD-XR-05, bottom-pull/clamp-on 28.6mm
Rear DerailleurShimano Tourney TY-22
CranksetProWheel resin/steel, 28/38/48 teeth
Bottom BracketSteel retainer style, 116mm spindle
BB Shell Width68mm English
Rear Cogs7-speed, 13 - 28 teeth
ChainShimano CN-UG50, 1/2 x 3/32"
PedalsWellgo resin

Brakes

BrakesProMax linear-pull brakes, Promax levers

Cockpit & Contact Points

Headset1" sealed mechanism
HandlebarSteel MTB
Handlebar ExtensionsNot included
StemTIG welded ATB
SaddleFuji MTB Junior
SeatpostAluminum, 25.6mm diameter

Wheels & Tires

HubsSteel, nutted
RimsAlex Z-1000, 36-hole
SpokesUCP, 14ga. (2.0mm) straight gauge
Spoke NipplesBrass nipples
Front Tire24 x 2.00"
Wheel Size24" wheels

Geometry

Legacy reference · 6 measurements

Historical measurements. Frame size unknown.

All geometry measurementsLegacy reference · 6 measurements
MeasurementLegacy reference
Top tube559 mm
Head-tube angle71°
Seat-tube angle66°
Chainstay / rear center420 mm
Wheelbase1010 mm
Fork offset / rake36 mm

Frame size not recorded.

Gearing

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

RPM

RPM = pedal turns per minute.

Published build48/38/28T · 13–28T · 7-speed
Lowest1.00:1 Highest3.69:1 Total range369%
Estimated speed At 90 RPM Lowest gear6.4 mph Highest gear23.7 mph

Uses front tire 24×2; 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.

Try other gearing

Try your current gearingChanged tires or gears? Calculate your setup.

Your changes apply to this calculation. The archived build stays unchanged.

Your gearing setup
Gears

Use up to three front tooth counts, separated by /. For one rear sprocket, enter the same count twice.

Rear tire

Apply the marking on your rear tire or edit its dimensions below. Older or fractional inch sizes need the ISO marking (e.g. 37-590).

For 32-622, width is 32 mm and rim diameter is 622 mm. Use the rear tire on mixed-wheel bikes. Leave both fields empty to compare ratios only.

Gear, dimension and cadence changes update results automatically.

Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.

Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
Shimano CN-UG50

1/2 x 3/32"

Front tire · Original
24 x 2.00" Replacement search: 24x2 bicycle tire Before ordering: Check rim type and tire clearance.
Brake pads · Original
ProMax linear-pull brakes

Promax levers

More parts (3)Fewer parts
Rear derailleur · Original
Shimano Tourney TY-22
Seatpost · Original
Aluminum

25.6mm diameter

Rims · Original
Alex Z-1000

36-hole

Based on the original build. Check fit and installed parts before ordering. Affiliate links may earn Velopedia a commission. As an Amazon Associate I earn from qualifying purchases.

Parts and service referenceQuick reference before buying parts

Archived specifications for reference. Check the fitted parts before ordering.

Front tire
24 x 2.00"
Drivetrain
7-speed
Seatpost diameter
25.6 mm
Bottom bracket / shell
Steel retainer style, 116mm spindle · 68mm English
Campaign
Equipment inspection checks 13 checks based on 6 archived component groups Open equipment checksClose equipment checks
0 of 13 checked Progress stays in this browser for this record.

Checks selected from the archived equipment. Confirm what is fitted today. This is not a complete safety inspection; use the full inspection guide before test riding.

Full used-bike inspection guide →

Archived: Frame: TIG-welded · Fork: Fuji suspension, 50mm travel · Aluminum, single crown

Archived: Fork: Fuji suspension, 50mm travel · Rear shock: ToughShock SD, 3.0" travel

Archived: Group: Juvenile Mix · Shifters: SRAM MRX · Front derailleur: Suntour FD-XR-05, bottom-pull/clamp-on 28.6mm · Rear derailleur: Shimano Tourney TY-22 · Crankset: ProWheel resin/steel, 28/38/48 teeth · Bottom bracket: Steel retainer style, 116mm spindle · Rear cogs: 7-speed, 13 - 28 teeth · Chain: Shimano CN-UG50, 1/2 x 3/32"

Archived: Brakes: ProMax linear-pull brakes, Promax levers

Archived: Wheel size: 24" wheels · Rims: Alex Z-1000, 36-hole · Hubs: Steel, nutted · Front tire: 24 x 2.00"

Controls and contact points

Archived: Headset: 1" sealed mechanism · Handlebar: Steel MTB · Stem: TIG welded ATB · Seatpost: Aluminum, 25.6mm diameter · Saddle: Fuji MTB Junior · Pedals: Wellgo resin

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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