Velopedia Bicycle Archive

Compare Bicycles

Compare published geometry, gearing and specifications for up to three bicycles.

1 of 2 bicycles

At a glance

Key differences

Supported differences are shown below. Data limitations are labeled separately.

  1. Data limitation

    No geometry is recorded for 2003 GT Power Series Micro and 2004 GT Power Series Micro.

Gearing comparison

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

2003 GT Power Series Micro40T · 16T · 1-speed
Ratio2.50:1

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

2004 GT Power Series Micro36T · 15T · 1-speed
Ratio2.40:1

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.

Try other gearing

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.
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Specification
2003 GT Power Series Micro
2004 GT Power Series Micro
Overview
Model Year
2003
2004
Brand
GT
GT
Model
Power Series Micro
Power Series Micro
Bicycle Type
BMX
BMX
Original MSRP
$299.99
$299.99
Colors
Avus Blue
Blue
Sizes
Mini
Mini
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
6061 T6 aluminum
6061 T6 aluminum
Fork
GT
GT
Fork Material
Chromoly, unicrown crown
Chromoly, unicrown crown
Drivetrain
Crankset
GT 3-piece chromoly, 40 teeth
GT 3-piece chromoly, 36 teeth
Bottom Bracket
Sealed cartridge
Sealed cartridge
BB Shell Width
Euro
68mm English
Rear Cogs
1-speed, 16 teeth
1-speed, 15 teeth
Chain
KMC Z30, 1/2 x 3/16"
KMC Z30, 1/2 x 1/8"
Pedals
Aluminum
Aluminum
Brakes
Brakes
Tektro 926A Mini V rear brakes, Tektro 316A rear levers
Lee Chi linear-pull rear brakes, Dia-Compe MX-122 rear levers
Cockpit & Contact Points
Headset
1" Semi integrated threadless
1" Semi integrated threadless
Handlebar
GT Micro BMX
GT Micro BMX
Stem
GT Micro Piston
GT Micro Piston
Saddle
GT Mini
GT Mini
Seatpost
Aluminum, 22.2mm (7/8 inch) diameter
Aluminum, 22.2mm (7/8 inch) diameter
Wheels & Tires
Hubs
GT Mini
GT Mini
Rims
Jalco GT-02T, 28-hole
Alex DR-13, 28-hole
Spokes
Steel, 15ga. (1.8mm) straight gauge
Steel, 15ga. (1.8mm) straight gauge
Spoke Nipples
Aluminum nipples
Aluminum nipples
Front Tire
20 x 1 1/8" GT Brody Knobs
20 x 1 1/8" IRC Siren
Wheel Size
20" wheels
20" wheels

Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.

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