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1996 GT Mini Mach One

Original specifications: 20" wheels · legacy reference geometry.

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At a glance

Archive #53395
Model year
1996
Category
BMX
Original MSRP
$339.99
Sizes
Boys
Colors
Chrome-plated, Dark Blue
Geometry
Legacy reference
In this record
21 specifications · original MSRP · geometry
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Identification clues

1996 archived details

Published colors
Chrome-plated, Dark Blue
Frame
Chromoly
Original equipment
N/A

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

Campaign
Original buildChromoly · 20" wheels

Manufacturer catalog

Published sizes and colors

1 size · 2 colors

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

Published sizes

Boys

Published colors

Chrome-platedDark Blue

Frameset

Frame ConstructionWelded steel
Frame MaterialChromoly
ForkGT
Fork MaterialChromoly, unicrown crown

Drivetrain

CranksetAlloy 3-piece, 42 teeth
Bottom BracketGT
BB Shell Width68mm English
Rear Cogs1-speed, 16 teeth
ChainKMC, 1/2 x 3/32"
PedalsVictor VP-866S

Brakes

BrakesChang Star CT-500-AG brakes, Dia-Compe MX-122 Jr levers

Cockpit & Contact Points

Headset1" Victor steel
HandlebarGT mini alloy
StemGT mini-rise
SaddleUni Mini, nylon
SeatpostUni-style, 20.4 mm diameter

Wheels & Tires

RimsSun Metal, 32-hole
SpokesSteel, 2.0mm straight gauge
Spoke NipplesBrass nipples
Front Tire20 x 1 1/8" GT AA Pro
Wheel Size20" wheels

Geometry

Legacy reference · 5 measurements

Historical measurements. Frame size unknown.

All geometry measurementsLegacy reference · 5 measurements
MeasurementLegacy reference
Top tube459.7 mm
Head-tube angle73°
Seat-tube angle69°
Chainstay / rear center365.8 mm
Wheelbase857.2 mm

Frame size not recorded.

Gearing

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

Published build42T · 16T · 1-speed
Ratio2.63:1

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

Add your rear tire size to calculate speed
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 and service referenceQuick reference before buying parts

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

Front tire
20 x 1 1/8" GT AA Pro
Drivetrain
1-speed
Bottom bracket / shell
GT · 68mm English
Campaign
Equipment inspection checks 10 checks based on 5 archived component groups Open equipment checksClose equipment checks
0 of 10 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 →

Frame and fork

Inspect the frame and fork →

Archived: Frame: Welded steel · Fork: GT · Chromoly, unicrown crown

Drivetrain

Check drivetrain wear →

Archived: Crankset: Alloy 3-piece, 42 teeth · Bottom bracket: GT · Rear cogs: 1-speed, 16 teeth · Chain: KMC, 1/2 x 3/32"

Brakes

Inspect the brakes →

Archived: Brakes: Chang Star CT-500-AG brakes, Dia-Compe MX-122 Jr levers

Wheels and tires

Check wheels and tires →

Archived: Wheel size: 20" wheels · Rims: Sun Metal, 32-hole · Front tire: 20 x 1 1/8" GT AA Pro

Controls and contact points

Archived: Headset: 1" Victor steel · Handlebar: GT mini alloy · Stem: GT mini-rise · Seatpost: Uni-style, 20.4 mm diameter · Saddle: Uni Mini, nylon · Pedals: Victor VP-866S

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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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