GT MACH ONE EXPERT 2007 VS GT PRO SERIES 1999 specs comparison

GT Mach One Expert

General Infos

Model	Mach One Expert
Manufacturer	GT
Year of production	2007
Current price	Check price Here ==>
Color choice	- Brilliant Lime -Brilliant Blue
Sizes	- 20 wheel (inches)
Sizes	- 20 wheel (inches)

Wheels And Breaking System

Bike front tire	20 X 1.75 (inches) GT Brody Knob
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro 317A Levers Tektro Alloy V-type Rear Brakes
Hubs for disc brakes	Steel
Rims manufacturer	36-hole Alloy
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge

Frame and Body Specs

Frame materials	Hi-Tensile Steel
Frame type	TIG-welded
Handlebar construction	GT BMX Hi-Ten
Handlebar extender	Optional
Handlebar stem details	Aluminum
Headset size	1 (inches) Steel

Gearing Specifications

Bicycle chain	KMC Z410
Bottom bracket shell width	Not Available
Bottom bracket type	Ball Type Steel
Crankset parts and sizes	36 Teeth Forged One-piece
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

GT Mach One Expert Fork System Data

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

Other Specs of GT Mach One Expert

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

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

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