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 2001 GT Pro Series Micro and 2013 GT Pro Series Micro.
- Gearing
2001 GT Pro Series Micro has a 20% lower climbing ratio than 2013 GT Pro Series Micro.
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.
Ratio2.35:1
Speed unavailable: wheel or tire size is missing or unclear.
Ratio2.92:1
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
2001 GT Pro Series Micro
2013 GT Pro Series Micro
Overview
Model Year
2001
2013
Brand
GT
GT
Model
Pro Series Micro
Pro Series Micro
Bicycle Type
BMX
BMX
Original MSRP
$309.99
Not documented
Colors
Blue/Yellow
Silver
Sizes
Pro
—
Weight
—
—
Frameset
Frame Construction
TIG-welded
—
Frame Material
4130 chromoly
GT Pro Series
Fork
GT Mini
GT BMX Pro Race
Fork Material
Chromoly, unicrown crown
—
Drivetrain
Crankset
GT Junior 3-piece aluminum, 40 teeth
GT 3D CNC Alloy 3-Piece 38t
Bottom Bracket
Three piece, sealed
Euro Sealed
Cassette
—
DNP 13t
Rear Cogs
1-speed, 17 teeth
1x1 Speeds
Chain
KMC, 1/2 x 1/8"
KMC Z610
Pedals
GT Mini Aluminum
GT Slim Profile
Brakes
Brakes
Tektro Mini V-Brake rear brakes, Dia-Compe MX-22 rear levers
Promax XL-91 Mini
Cockpit & Contact Points
Headset
1" threadless Aheadset
FSA Integrated
Handlebar
GT Micro aluminum
GT Speed BMX Al
Handlebar Extensions
Not included
—
Stem
GT Mini Piston
GT
Saddle
GT one piece mini
GT Uni Mini
Seatpost
GT integrated aluminum
Alloy Mini
Wheels & Tires
Hubs
GT Mohawk
—
Rims
Alex aluminum, 28-hole
—
Spokes
Stainless steel, 15g
—
Spoke Nipples
Brass nipples
—
Front Tire
20 x 1 1/8" GT AA Pro
Primo Slick 18x1"
Wheel Size
20" wheels
—
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.