Velopedia Bicycle Archive
Compare Bicycles
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 2007 GT El Centro 16 and 2009 GT El Centro 16.
- Identity & price
2007 GT El Centro 16 had an original MSRP $110 lower than 2009 GT El Centro 16.
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.
Ratio2.25:1
Estimated speed at 90 RPMGear
Uses front tire 16×2.125; rear size isn’t listed.
Ratio2.36:1
Estimated speed at 90 RPMGear
Uses front tire 16×2.25; rear size isn’t listed.
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
2007 GT El Centro 16
2009 GT El Centro 16
Overview
Model Year
2007
2009
Brand
GT
GT
Model
El Centro 16
El Centro 16
Bicycle Type
Freestyle/jumping
BMX
Original MSRP
$219.99
$329.99
Colors
Matte Black
Royal Blue
Sizes
16" wheel
17" TT
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
Hi-Tensile steel
High Tensile Steel
Fork
GT Freestyle
GT Freestyle
Fork Material
Chromoly, unicrown crown
Hi-tensile steel/chromoly steerer, unicrown crown
Drivetrain
Component Group
BMX Mix
BMX
Crankset
Tubular Cr-Mo 3pc., 36 teeth
GT Tubular Cr-Mo 3pc., 33 teeth
Bottom Bracket
Ball type with 8 spline Cr-Mo axle
Mid BB
Cassette
—
Freewheel
Rear Cogs
1-speed, 16 teeth
1-speed, 14 teeth
Chain
KMC Z410
KMC Z510
Pedals
Jr. BMX platform design, aluminum body, molded in pins, cr-mo axle
Jr. BMX platform design, aluminum body, molded in pins, cr-mo axle
Brakes
Brakes
Tektro FX-330 brakes, Tektro 299A levers
Tektro 907 U-brake rear brakes, Tektro 299A rear levers
Cockpit & Contact Points
Headset
1 1/8" threadless Tange Seiki FATTY 22
1 1/8" Tange Seiki Fatty 22
Handlebar
GT dirt/street Hi-Ten
GT dirt/street Hi-Ten
Handlebar Extensions
Not included
Not included
Stem
GT FS design
GT Freestyle aluminum
Saddle
GT Jr. Jump
GT Slim
Seatpost
Alloy Micro adjust, 25.4mm diameter
Aluminum, 25.4mm diameter
Wheels & Tires
Hubs
Steel
Front: Steel 3/8" axle, Rear: Steel 14mm axle
Rims
Alex G303, 36-hole
Alex G303, 36-hole
Spokes
14ga. (2.0mm) straight gauge
14ga. (2.0mm)
Spoke Nipples
Brass nipples
Brass
Front Tire
16 x 2.125" Kenda K-Rad
16 x 2.25" Kenda Kontact
Wheel Size
16" wheels
16" wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.