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 2005 GT Power Series Expert and 2004 GT Power Series Expert.
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.
Ratio2.63:1
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
2005 GT Power Series Expert
2004 GT Power Series Expert
Overview
Model Year
2005
2004
Brand
GT
GT
Model
Power Series Expert
Power Series Expert
Bicycle Type
BMX
BMX
Original MSRP
$299.99
$299.99
Colors
Factory Blue
Blue
Sizes
Expert
Expert
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 aluminum 3-piece, 42 teeth
GT 3-piece chromoly, 42 teeth
Bottom Bracket
Loose ball
Sealed cartridge
BB Shell Width
—
68mm English
Rear Cogs
1-speed, 16 teeth
1-speed, 16 teeth
Chain
KMC Z610, 1/2 x 1/8"
KMC Z30, 1/2 x 1/8"
Pedals
Aluminum platform
Aluminum
Brakes
Brakes
Tektro 926 Mini V rear brakes, Tektro 316A rear levers
Tektro 926A Mini V rear brakes, Tektro 316A rear levers
Cockpit & Contact Points
Headset
1" threadless
1" Semi integrated threadless
Handlebar
Aluminum
GT BMX
Stem
GT Mini Piston
GT Mini Piston
Saddle
GT mini design
GT Mini
Seatpost
Aluminum pillar, 22.2mm (7/8 inch) diameter
Aluminum, 22.2mm (7/8 inch) diameter
Wheels & Tires
Hubs
GT aluminum
GT Mini
Rims
Alex ALDR13
Alex DR-13, 28-hole
Spokes
15ga. (1.8mm) straight gauge
Steel, 15ga. (1.8mm) straight gauge
Spoke Nipples
Brass nipples
Aluminum nipples
Front Tire
24 x 1 3/8" IRC Siren
20 x 1 3/8" IRC Siren
Wheel Size
24" wheels
20" wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.