Hoffman STAR DIRTY-1-THIRTY 2000 VS GT AIR 2007 specs comparison

Hoffman Star Dirty-1-Thirty

General Infos

Model	Star Dirty-1-Thirty
Manufacturer	Hoffman
Year of production	2000
Current price	Check price Here ==>
Color choice	- Emerald Green - Glossy Black -Chrome-Plated
Sizes	- Pro
Sizes	- Pro

Wheels And Breaking System

Bike front tire	20 X 2.125 (inches) Primo Dirt Monster
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Dia-Compe MX-99 Rear Levers Dia-Compe 990 Rear Brakes
Hubs for disc brakes	Hoffman Bikes Formula Hub
Rims manufacturer	48-hole Hoffman Bikes Highroller CP
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Stainless Steel

Frame and Body Specs

Frame materials	4130 chromoly c
Frame type	TIG-welded
Handlebar construction	Hoffman Bikes Jumping Bars
Handlebar extender	Not Available
Handlebar stem details	Hoffman Bikes SuperStem
Headset size	1 1/8 (inches) Threadless Aheadset

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC 410
Bottom bracket shell width	Not Available
Bottom bracket type	One Piece
Crankset parts and sizes	44 Teeth 1-piece Chromoly 175 (millimeters)
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

Hoffman Star Dirty-1-Thirty Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	4130 chromoly c
Fork type	HoffmanBikes Dirty1Thirty Superfork

Other Specs of Hoffman Star Dirty-1-Thirty

Component group sets	Not Available
Pedals details	Wellgo LU-313
Rear shock absorber	Not Available
Saddle seat	Hoffman Bikes Star Seat
Seat post extension	25.4 (millimeters) Diameter Hoffman Bikes Super Post

GT Air

General Infos

Model	Air
Manufacturer	GT
Year of production	2007
Current price	Check price Here ==>
Color choice	-Brilliant Silver Metallic
Sizes	- 20 wheel (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) GT Air Bags
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro 289 Levers Tektro 907 U-brake Brakes
Hubs for disc brakes	Rear: Sealed Mech Freewheel Front: Sealed Mech
Rims manufacturer	ACS Mag Wheels
Spoke nipples type	Brass Nipples
Spoke wheel	Straight Gauge

Frame and Body Specs

Frame materials	Hi-Tensile Steel
Frame type	TIG-welded
Handlebar construction	GT Dirt and street Hi-Ten
Handlebar extender	Optional
Handlebar stem details	GT Aluminum
Headset size	Steel 1 1/8 (inches) Threadless TH

Gearing Specifications

Bicycle chain	KMC Z410
Bottom bracket shell width	Not Available
Bottom bracket type	Ball Type Steel
Crankset parts and sizes	170 (millimeters) and '07 Design 42T Steel GT Design 42 Teeth Forged Steel One Piece Crank
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

GT Air Fork System Data

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

Other Specs of GT Air

Component group sets	BMX Mix
Pedals details	Resin GT Jump Design
Rear shock absorber	Not Available
Saddle seat	GT Freestyle
Seat post extension	25.4 (millimeters) Diameter Steel