- Frame
- Chromoly
- Brakes
- Chang Star CT-500-AG brakes, Dia-Compe MX-122 Jr levers
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 1997 GT Mini Mach One.
- Gearing
1997 GT Mini Mach One has a 7% lower climbing ratio than 1996 GT Mini Mach One.
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.
Ratio2.63:1
Speed unavailable: wheel or tire size is missing or unclear.
Ratio2.44:1
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.
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
1996 GT Mini Mach One
1997 GT Mini Mach One
Overview
Model Year
1996
1997
Brand
GT
GT
Model
Mini Mach One
Mini Mach One
Bicycle Type
BMX
BMX
Original MSRP
$339.99
$354.99
Colors
Chrome-plated, Dark Blue
Chrome-plated
Sizes
Boys
Boys
Weight
—
—
Frameset
Frame Construction
Welded steel
TIG-welded
Frame Material
Chromoly
Chromoly
Fork
GT
GT
Fork Material
Chromoly, unicrown crown
Chromoly, unicrown crown
Drivetrain
Crankset
Alloy 3-piece, 42 teeth
3-piece aluminum, 39 teeth
Bottom Bracket
GT
—
BB Shell Width
68mm English
68mm Threadless
Rear Cogs
1-speed, 16 teeth
1-speed, 16 teeth
Chain
KMC, 1/2 x 3/32"
KMC 410, 1/2 x 3/32"
Pedals
Victor VP-866S
GT aluminum platforms
Brakes
Brakes
Chang Star CT-500-AG brakes, Dia-Compe MX-122 Jr levers
Dia-Compe aluminum side-pull caliper rear brakes, Dia-Compe levers
Cockpit & Contact Points
Headset
1" Victor steel
1" steel
Handlebar
GT mini alloy
GT aluminum
Stem
GT mini-rise
GT aluminum
Saddle
Uni Mini, nylon
GT plastic
Seatpost
Uni-style, 20.4 mm diameter
Aluminum
Wheels & Tires
Hubs
—
GT Mohawk
Rims
Sun Metal, 32-hole
Sun Rims, 36-hole
Spokes
Steel, 2.0mm straight gauge
Steel, 2.0mm straight gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
20 x 1 1/8" GT AA Pro
20 x 1 1/8" GT AA Pro
Wheel Size
20" wheels
20" wheels
Geometry · choose a size for each bicycle
Geometry size
—
Head-tube angle
73°
—
Seat-tube angle
69°
—
Chainstay / rear center
365.8 mm
—
Wheelbase
857.2 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.