Hoffman TAJ 1998 VS GT BUMP 2007 specs comparison

Hoffman Taj

General Infos

Model	Taj
Manufacturer	Hoffman
Year of production	1998
Current price	Check price Here ==>
Color choice	- flat blue - flat brown -Chrome-plated
Sizes	- Pro
Sizes	- Pro

Wheels And Breaking System

Bike front tire	20 X 1.95 (inches) HB Skidmark
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Dia-Compe MX-99 Levers Dia-Compe 990 Brakes
Hubs for disc brakes	Gack
Rims manufacturer	48-hole Gack High Roller
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	4130 chromoly c
Frame type	TIG-welded
Handlebar construction	HB Jumping 4130
Handlebar extender	Not Available
Handlebar stem details	HB Superstem
Headset size	1 1/8 (inches) Threadless Aheadset With SST Oryg Detangler

Gearing Specifications

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

Hoffman Taj Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown 4130 Chromoly
Fork type	HB Superfork

Other Specs of Hoffman Taj

Component group sets	Not Available
Pedals details	Wellgo LU-313
Rear shock absorber	Not Available
Saddle seat	HB
Seat post extension	22.2 (millimeters) Diameter HB 4130

GT Bump

General Infos

Model	Bump
Manufacturer	GT
Year of production	2007
Current price	Check price Here ==>
Color choice	- Matte Brick -Matte Navy Blue
Sizes	- 20 wheel (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Kenda Konxsion Front: 26 X 2.125 (inches) Front: Kenda K-Rad
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	FX-330 Rear Brakes Tektro 274A Levers Tektro
Hubs for disc brakes	Rear: GT Sealed Cassette Front: GT Aluminum Sealed
Rims manufacturer	36-hole Alex G22
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge

Frame and Body Specs

Frame materials	Chromoly
Frame type	TIG-welded
Handlebar construction	GT Dirt and street Cr-mo
Handlebar extender	Optional
Handlebar stem details	GT FS Design
Headset size	1 1/8 (inches) Threadless Tange Seiki FATTY 22

Gearing Specifications

Bicycle chain	KMC Z410
Bottom bracket shell width	Not Available
Bottom bracket type	Ball Type With 8 Spline Cr-Mo Axle
Crankset parts and sizes	GT Tubular Cr-Mo 3pc.
Gear shift levers	Not Available
Rear gear set	12 Teeth 1-speed

GT Bump Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Chromoly
Fork type	'05 GT Dirt Jump

Other Specs of GT Bump

Component group sets	BMX Mix
Pedals details	Aluminum Body Cr-mo Alxe '05 GT Dirt and Street Platform Design
Rear shock absorber	Not Available
Saddle seat	Velo Mini Street
Seat post extension	Alloy Micro Adjust