Firmstrong HARTSOOK 2013 VS GT MACH ONE JR. 2008 specs comparison

Firmstrong Hartsook

General Infos

Model	Hartsook
Manufacturer	Firmstrong
Year of production	2013
Current price	Check price Here ==>
Color choice	- Blue -Black
Sizes	- 10 (inches)
Sizes	- 10 (inches)

Wheels And Breaking System

Bike front tire	Kenda 20x1.95
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Alloy U Brake
Hubs for disc brakes	Not Available
Rims manufacturer	Unavailable Wheelset
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	High-Tensile Steel
Frame type	Not Available
Handlebar construction	Steel BMX
Handlebar extender	Not Available
Handlebar stem details	Alloy
Headset size	Not Available

Gearing Specifications

Bicycle chain	Unavailable Chain
Bottom bracket shell width	Not Available
Bottom bracket type	Unavailable Bottom Bracket
Crankset parts and sizes	Steel
Gear shift levers	Unavailable Shifters
Rear gear set	1x1 Speeds

Firmstrong Hartsook Fork System Data

Derailleur (Front)	Unavailable Front Derailleur
Derailleur (Rear)	Unavailable Rear Derailleur
Fork material	Not Available
Fork type	Hi-Tensile Steel

Other Specs of Firmstrong Hartsook

Component group sets	Not Available
Pedals details	Resin Body
Rear shock absorber	Unavailable Rear Shock
Saddle seat	Freestyle
Seat post extension	Unavailable Seatpost

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

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