GT PRO SERIES 1999 VS GT POWER SERIES EXPERT 2007 specs comparison

GT Pro Series

General Infos

Model	Pro Series
Manufacturer	GT
Year of production	1999
Current price	Check price Here ==>
Color choice	- Silver Metallic -Midnight Blue
Sizes	- Boys
Sizes	- Boys

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.75 (inches) GT AA Pro Front: 20 X 2.125 (inches) GT AA Pro
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Dia-Compe MX-1 Rear Levers Direct Pull Rear Brakes Dia-Compe MX1
Hubs for disc brakes	GT Rhythm System Sealed
Rims manufacturer	GT Rhythm System Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Reynolds 631
Frame type	Welded
Handlebar construction	GT
Handlebar extender	Not Available
Handlebar stem details	GT Piston Invet
Headset size	1 1/8 (inches) Threadless Aheadset SX-1

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	One Piece
Crankset parts and sizes	GT 1-piece Chromoly
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

GT Pro Series Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Chromoly
Fork type	GT

Other Specs of GT Pro Series

Component group sets	Not Available
Pedals details	GT Aluminum Platform
Rear shock absorber	Not Available
Saddle seat	GT Drop Nose
Seat post extension	Aluminum Micro-adjust

GT Power Series Expert

General Infos

Model	Power Series Expert
Manufacturer	GT
Year of production	2007
Current price	Check price Here ==>
Color choice	-Blue and Black
Sizes	- 20 wheel (inches)

Wheels And Breaking System

Bike front tire	20 X 1-3/8 (inches) Kenda Small Block Eight
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	926AL Rear Brakes Tektro 316A Levers Alloy Side-pull Caliper Front and Tektro
Hubs for disc brakes	Rear: BMX Race Cassette Front: GT BMX Sealed
Rims manufacturer	32-hole Sun M13-II
Spoke nipples type	Aluminum Nipples
Spoke wheel	15ga. Straight Gauge

Frame and Body Specs

Frame materials	6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	GT BMX Aluminum
Handlebar extender	Optional
Handlebar stem details	GT BMX Race
Headset size	1 1/8 (inches) Integrated FSA Orbit IS-2

Gearing Specifications

Bicycle chain	KMC Z610
Bottom bracket shell width	Not Available
Bottom bracket type	Euro Cartridge
Crankset parts and sizes	42 Teeth GT Forged Aluminum 3pc.
Gear shift levers	Not Available
Rear gear set	14 Teeth 1-speed

GT Power Series Expert Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Aluminum
Fork type	GT BMX Design

Other Specs of GT Power Series Expert

Component group sets	BMX Mix
Pedals details	Aluminum Jr. BMX Platform
Rear shock absorber	Not Available
Saddle seat	GT Mini
Seat post extension	22.2 (millimeters) Diameter Aluminum