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 Jamie Bestwick Pro and 2006 GT Jamie Bestwick Pro.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Ratio2.69:1
Estimated speed at 90 RPMGear
Uses front tire 20×1.95; rear size isn’t listed.
Ratio2.77:1
Estimated speed at 90 RPMGear
Uses front tire 20×1.95; 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
2001 GT Jamie Bestwick Pro
2006 GT Jamie Bestwick Pro
Overview
Model Year
2001
2006
Brand
GT
GT
Model
Jamie Bestwick Pro
Jamie Bestwick Pro
Bicycle Type
Freestyle/jumping
Freestyle/jumping
Original MSRP
$369.99
$379.99
Colors
Chrome-Plated, Pewter, Red
Pearl Purple
Sizes
Pro
20" wheel
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
Chromoly main triangle/hi-tensile steel rear stays
GT Bestwick design, 3 main tube cr-mo
Fork
GT
'05 GT Freestyle design
Fork Material
Chromoly, unicrown crown
Chromoly
Drivetrain
Component Group
—
BMX
Crankset
GT 1-piece steel, 43 teeth
GT 8-spline, tubular Cr-Mo 3pc., 36 teeth
Bottom Bracket
One piece
Ball type with 8 spline Cr-Mo axle
Rear Cogs
1-speed, 16 teeth
1-speed, 13 teeth
Chain
KMC, 1/2 x 1/8"
KMC 410H
Pedals
GT aluminum platform
'05 GT Dirt/Street platform design
Brakes
Brakes
Tektro U-brake brakes, Tektro 271A levers
Tektro, FX-570FX, dual anchor bolts, cold forged aluminum U-brake front/Tektro, FX-570D, dual anchor bolts, cold forged aluminum U-brake rear brakes, Tektro, 273A, aluminum, hinged clamp levers
Cockpit & Contact Points
Headset
1 1/8" threadless Tange Seiki STE
1 1/8" Tange Seiki FATTY 22, extra deep cup engagement
Handlebar
GT Freestyle
GT dirt/street bend, Cr-mo, 7" rise
Handlebar Extensions
Not included
—
Stem
GT Piston
GT Johnson III design, cold forged aluminum
Saddle
GT
GT Launch Pad, stitched two piece cover, rear bumper gurad, welded 9mm rail
Seatpost
Steel
Aluminum double bolt micro adjust
Wheels & Tires
Hubs
GT Mohawk
Front: '05 GT branded, aluminum body, sealed Mech., 14mm cr-mo axle, 48 hole, Rear: '05 GT branded, aluminum body, sealed Mech. bearins, 14mm hi-carbon axle
Rims
Alex 7X, 48-hole
Alex DX2418, double wall aluminum with eyelets, 48 hole, 28mm width, 48-hole
Spokes
14g
14ga. (2.0mm) Straight Gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
20 x 1.95" GT Air Bags
20 x 1.95" Kenda Kiniption
Wheel Size
20" wheels
20" wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.