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 2004 GT Power Series XL and 2006 GT Power Series XL.
- Identity & price
2004 GT Power Series XL had an original MSRP $100 lower than 2006 GT Power Series XL.
Original MSRP is the published list price when new, not today’s used-bike value.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Ratio2.75:1
Estimated speed at 90 RPMGear
Rear tire: 20×1.75.
Ratio2.75:1
Estimated speed at 90 RPMGear
Rear tire: 20×1.75.
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
2004 GT Power Series XL
2006 GT Power Series XL
Overview
Model Year
2004
2006
Brand
GT
GT
Model
Power Series XL
Power Series XL
Bicycle Type
BMX
BMX
Original MSRP
$399.99
$499.99
Colors
Blue
Team Blue/Silver two tone
Sizes
Pro XL
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
TruVativ Racing XR, 44 teeth
Truvativ 180mm "Racing XR", 44 teeth
Bottom Bracket
TruVativ GIGA pipe DH
TruVativ GIGA pipe DH
BB Shell Width
68mm English
—
Rear Cogs
1-speed, 16 teeth
1-speed, 16 teeth
Chain
KMC Z610HX, 1/2 X 1/8"
KMC Z610HX
Pedals
GT BMX Design Aluminum
GT BMX platform design, aluminum body, thread in pins, cr-mo alxe
Brakes
Brakes
Tektro 930AL rear brakes, Tektro 313A rear levers
Alloy side-pull caliper front/Tektro, 930AL, cold forged aluminum rear brakes, Tektro, 319, aluminum levers
Cockpit & Contact Points
Headset
1 1/8" threadless Semi integrated threadless
1 1/8" Semi integrated
Handlebar
GT BMX
GT BMX Race bend, Cr-mo, 7.9" rise
Stem
GT Piston
'05 GT BMX Race design, cold forged aluminum
Saddle
GT Dropnose
'06 GT BMX "Pro Lite", padded with stitched cover and 7mm rails
Seatpost
Aluminum micro-adjust, 27.0mm diameter
GT design, aluminum micro adjust, 27.0mm diameter
Wheels & Tires
Hubs
GT Rhythm System II
'05 GT BMX branded, aluminum body, Sealed Bearings, Hollow Cr-Mo axle
Rims
Alex DX-2418
Sun Rhyno Lite XL, double wall aluminum with eyelets, 29mm width
Spokes
Steel, 14ga. (2.0mm) straight gauge
14ga. (2.0mm) Straight Gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
20 x 2.125" IRC Siren
20 x 1.95" Kenda K-Rad
Rear Tire
20 x 1.75" IRC Siren
20 x 1.75" Kenda K-Rad
Wheel Size
20" wheels
20" wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.