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 2013 GT Pro Series Mini and 1999 GT Pro Series Mini.
- Gearing
1999 GT Pro Series Mini has a 13% lower climbing ratio than 2013 GT Pro Series Mini.
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.
Ratio2.71:1
Speed unavailable: wheel or tire size is missing or unclear.
Ratio2.35:1
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
2013 GT Pro Series Mini
1999 GT Pro Series Mini
Overview
Model Year
2013
1999
Brand
GT
GT
Model
Pro Series Mini
Pro Series Mini
Bicycle Type
BMX
BMX
Original MSRP
Not documented
$292.99
Colors
Silver
Candy Blue, Chrome-Plated
Sizes
—
Boys
Weight
—
—
Frameset
Frame Construction
—
Welded
Frame Material
GT Pro Series
Chromoly
Fork
GT BMX Pro Race
GT
Fork Material
—
Chromoly, unicrown crown
Drivetrain
Crankset
GT 3D CNC Alloy 3-Piece 38t
GT 3-piece aluminum, 40 teeth
Bottom Bracket
Euro Sealed
Three piece, sealed
Cassette
DNP 14t
—
Rear Cogs
1x1 Speeds
1-speed, 17 teeth
Chain
KMC Z610
1/2 x 1/8"
Pedals
GT Slim Profile
BMX bear trap style, aluminum
Brakes
Brakes
Promax XL-91 Mini
Dia-Compe MX122, mini rear brakes, Tektro alloy linear-pull rear levers
Cockpit & Contact Points
Headset
FSA Integrated
1" threadless Aheadset
Handlebar
GT Speed BMX
GT Jr aluminum
Stem
GT
GT Mini Piston
Saddle
GT Uni Mini
Uni mini
Seatpost
Alloy Mini
1 pc. seat/alloy post
Wheels & Tires
Hubs
—
GT Mohawk
Rims
—
Weinmann Mini Zac, 28-hole
Spokes
—
1.8mm straight gauge
Spoke Nipples
—
Brass nipples
Front Tire
Tioga Power Block 20x1 1/8
20 x 1 3/8" GT AA Pro
Wheel Size
—
20" wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.