GT MACH ONE JR. 2008 VS Specialized HEMI PRO EXPERT 2001 specs comparison

GT Mach One Jr.

General Infos

Model	Mach One Jr.
Manufacturer	GT
Year of production	2008
Current price	Check price Here ==>
Color choice	-Blue
Sizes	- Standard size for everyone
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	16 X 2.125 (inches)
Bike rear tire	Not Available
Bike wheel size	16 (inches) Wheels
Brakeset type	Unavailable Front and Coaster Rear
Hubs for disc brakes	Rear: Steel Coaster Front: Steel
Rims manufacturer	28-hole Alloy
Spoke nipples type	Brass
Spoke wheel	14ga.

Frame and Body Specs

Frame materials	Not Available
Frame type	TIG-welded
Handlebar construction	GT BMX
Handlebar extender	Optional
Handlebar stem details	Steel
Headset size	1 (inches) Steel

Gearing Specifications

Bicycle chain	KMC Z-410
Bottom bracket shell width	Not Available
Bottom bracket type	Ball Type Steel
Crankset parts and sizes	GT Forged Steel 1pc.
Gear shift levers	Not Available
Rear gear set	1-speed

GT Mach One Jr. Fork System Data

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

Other Specs of GT Mach One Jr.

Component group sets	BMX
Pedals details	Resin Jr. BMX Design
Rear shock absorber	Not Available
Saddle seat	GT Jr. BMX
Seat post extension	Steel

Specialized Hemi Pro Expert

General Infos

Model	Hemi Pro Expert
Manufacturer	Specialized
Year of production	2001
Current price	Check price Here ==>
Color choice	-Red
Sizes	- Professional size

Wheels And Breaking System

Bike front tire	20 X 1 3/8 (inches) Specialized Spanky
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	ProMax Linear-pull Rear Levers Tektro Linear-pull Rear Brakes
Hubs for disc brakes	Specialized Aluminum
Rims manufacturer	32-hole Alex VP-15F
Spoke nipples type	Brass Nipples
Spoke wheel	14g Aero

Frame and Body Specs

Frame materials	Specialized A1 Aluminum Monocoque
Frame type	Monocoque
Handlebar construction	Specialized 2 Piece
Handlebar extender	Optional
Handlebar stem details	Specialized Aluminum
Headset size	1 1/8 (inches) Threadless Tange Seiki

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC
Bottom bracket shell width	American
Bottom bracket type	Specialized Sealed Bearing
Crankset parts and sizes	43 Teeth Specialized Three Piece
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

Specialized Hemi Pro Expert Fork System Data

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

Other Specs of Specialized Hemi Pro Expert

Component group sets	Not Available
Pedals details	Shimano PD-M515 SPD
Rear shock absorber	Not Available
Saddle seat	Specialized Racing
Seat post extension	26.6 (millimeters) Diameter Specialized Aluminum