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 2006 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
2006 GT Power Series Expert
Overview
Model Year
2005
2006
Brand
GT
GT
Model
Power Series Expert
Power Series Expert
Bicycle Type
BMX
BMX
Original MSRP
$299.99
$369.99
Colors
Factory Blue
Team Blue/Silver two tone
Sizes
Expert
20" wheel
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
6061 T6 aluminum
6061 T6 aluminum
Fork
GT
GT BMX design
Fork Material
Chromoly, unicrown crown
Aluminum/chromoly
Drivetrain
Component Group
—
BMX
Crankset
GT aluminum 3-piece, 42 teeth
AC Mini LE forged aluminum 3pc, 42 teeth
Bottom Bracket
Loose ball
European size sealed cartridge bearing
Rear Cogs
1-speed, 16 teeth
1-speed, 16 teeth
Chain
KMC Z610, 1/2 x 1/8"
KMC Z610
Pedals
Aluminum platform
Jr. BMX platform, aluminum, Cr-Mo axle
Brakes
Brakes
Tektro 926 Mini V rear brakes, Tektro 316A rear levers
Alloy side-pull caliper front/Tektro, 926AL, Mini V-brake, cold forged aluminum rear brakes, Tektro, 316A, aluminum levers
Cockpit & Contact Points
Headset
1" threadless
1 1/8" FSA Orbit IS-2
Handlebar
Aluminum
GT BMX design, aluminum, 6.7" rise
Stem
GT Mini Piston
'05 GT BMX Race design, cold forged aluminum, 1-1/8"
Saddle
GT mini design
GT mini design, padded with integrated aluminum post
Seatpost
Aluminum pillar, 22.2mm (7/8 inch) diameter
Aluminum, 22.2mm (7/8 inch) diameter
Wheels & Tires
Hubs
GT aluminum
GT BMX race design, aluminum body, sealed cartridge bearings
Rims
Alex ALDR13
Sun M13-II, double wall, aluminum, 32 hole, eyelets, 32-hole
Spokes
15ga. (1.8mm) straight gauge
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" Kenda Krankit
Wheel Size
24" wheels
20" wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.