GT PRO SERIES MICRO 1999 VS GT MACH ONE EXPERT 2011 specs comparison

GT Pro Series Micro

General Infos

Model	Pro Series Micro
Manufacturer	GT
Year of production	1999
Current price	Check price Here ==>
Color choice	-Chrome-Plated
Sizes	- Boys
Sizes	- Boys

Wheels And Breaking System

Bike front tire	20 X 1 3/8 (inches) GT AA Pro
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro Alloy Linear-pull Rear Levers Mini Rear Brakes Dia-Compe MX122
Hubs for disc brakes	GT Mohawk
Rims manufacturer	28-hole Weinmann Mini Zac
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge

Frame and Body Specs

Frame materials	Chromoly
Frame type	Welded
Handlebar construction	GT Jr Aluminum
Handlebar extender	Not Available
Handlebar stem details	GT Mini Piston
Headset size	1 (inches) Threadless Aheadset

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	Sealed Three Piece
Crankset parts and sizes	40 Teeth GT 3-piece Aluminum
Gear shift levers	Not Available
Rear gear set	17 Teeth 1-speed

GT Pro Series Micro 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 Micro

Component group sets	Not Available
Pedals details	Aluminum BMX Bear Trap Style
Rear shock absorber	Not Available
Saddle seat	Uni Mini
Seat post extension	1 Pc. Seat and alloy Post

GT Mach One Expert

General Infos

Model	Mach One Expert
Manufacturer	GT
Year of production	2011
Current price	Check price Here ==>
Color choice	- black -Silver
Sizes	- Not available

Wheels And Breaking System

Bike front tire	20 X 1.75 (inches) GT Wing Design
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Unavailable Front and Tektro 317A Rear Levers Unavailable Front and Tektro Alloy V-brake Rear Brakes
Hubs for disc brakes	Rear: Coaster Brake Front: Steel
Rims manufacturer	36-hole Alloy
Spoke nipples type	Brass
Spoke wheel	14ga.

Frame and Body Specs

Frame materials	Hi Ten
Frame type	Steel
Handlebar construction	GT BMX
Handlebar extender	Optional
Handlebar stem details	Gt Race
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC Z410
Bottom bracket shell width	Not Available
Bottom bracket type	Steel
Crankset parts and sizes	36T Teeth Forged 1 Piece
Gear shift levers	Not Available
Rear gear set	16 teeth c

GT Mach One Expert Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Not Available
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 BMX Padded Race
Seat post extension	25.4 (millimeters) Diameter Steel