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 Power Series 1.0.
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.
Ratio2.69:1
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
2001 GT Power Series 1.0
1998 GT Power Series 1.0
Overview
Model Year
2001
1998
Brand
GT
GT
Model
Power Series 1.0
Power Series 1.0
Bicycle Type
BMX
BMX
Original MSRP
$419.99
$399.00
Colors
Black/Liquid Blue, Black/Liquid Red
Ball-burnished
Sizes
Pro
XL
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
6061 T6 aluminum
7005 aluminum
Fork
GT
GT
Fork Material
Chromoly, unicrown crown
Chromoly, unicrown crown
Drivetrain
Crankset
GT 3-piece chromoly, 44 teeth
GT 1-piece chromoly, 43 teeth
Bottom Bracket
GT one piece
GT sealed bearing
Rear Cogs
1-speed, 16 teeth
1-speed, 16 teeth
Chain
KMC, 1/2 x 3/32"
1/2 x 1/8"
Pedals
GT aluminum platform
GT aluminum platforms
Brakes
Brakes
ProMax MX 2.0 V-Brake rear brakes, ProMax MX 1.0 V-Brake rear levers
Dia-Compe VC-757 rear brakes, Dia-Compe MX-1 levers
Cockpit & Contact Points
Headset
1 1/8" threadless Aheadset
1 1/8" threadless Aheadset SX
Handlebar
GT Expert BMX
GT chromoly
Handlebar Extensions
Not included
—
Stem
GT Piston
GT Piston Invet
Saddle
GT Drop Nose
GT Drop Nose
Seatpost
GT aluminum micro-adjust
GT chromoly micro-adjust
Wheels & Tires
Hubs
GT Mohawk
GT Mohawk
Rims
Alex 7X, 36-hole
Weinmann 2121
Spokes
14g
Steel, 2.0mm straight gauge
Spoke Nipples
Brass nipples
Alloy nipples
Front Tire
20 x 2.125" GT Brody
20 x 2.125" GT AA Pro
Rear Tire
20 x 1.75" GT Brody
20 x 1.75" GT AA Pro
Wheel Size
20" wheels
20" wheels
Geometry · choose a size for each bicycle
Geometry size
—
Head-tube angle
—
72.5°
Seat-tube angle
—
70°
Chainstay / rear center
—
406.4 mm
Wheelbase
—
977.9 mm
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run. Legacy reference geometry is model-level historical data whose corresponding frame size is not identified; compare those dimensions as reference values rather than size-normalized fit data.