GT BUMP 2008 VS GT POWER SERIES JR. 2004 specs comparison

GT Bump

General Infos

Model	Bump
Manufacturer	GT
Year of production	2008
Current price	Check price Here ==>
Color choice	- Navy and White -Off White and Orange
Sizes	- Standard size for everyone
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	Rear: 20 (inches) Kenda Konxsion Front: 20 (inches) Kenda K-Rad
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro 274A Rear Levers N and A Front and Tektro 907A Rear Brakes
Hubs for disc brakes	Rear: GT Sealed Cassette Front: GT Aluminum Sealed
Rims manufacturer	36-hole
Spoke nipples type	Brass Nipples
Spoke wheel	14ga.

Frame and Body Specs

Frame materials	GT Cro-moly BMX Dirt and street Design
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) 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	GT BMX Design

Other Specs of GT Bump

Component group sets	BMX
Pedals details	GT Dirt and Street Platform
Rear shock absorber	Not Available
Saddle seat	BMX Mini Street
Seat post extension	Aluminum Micro-adjust

GT Power Series Jr.

General Infos

Model	Power Series Jr.
Manufacturer	GT
Year of production	2004
Current price	Check price Here ==>
Color choice	-Blue
Sizes	- Junior

Wheels And Breaking System

Bike front tire	20 X 1 1/8 (inches) IRC Siren
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro 316A Rear Levers Tektro 926A Mini V Rear Brakes
Hubs for disc brakes	GT Mini
Rims manufacturer	28-hole Alex DR-13
Spoke nipples type	Aluminum Nipples
Spoke wheel	15ga. Straight Gauge Steel

Frame and Body Specs

Frame materials	6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	GT Mini BMX
Handlebar extender	Not Available
Handlebar stem details	GT Mini Piston
Headset size	1 (inches) Semi Integrated Threadless

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC Z30
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Sealed Cartridge
Crankset parts and sizes	38 Teeth 3-piece Aluminum
Gear shift levers	Not Available
Rear gear set	15 Teeth 1-speed

GT Power Series Jr. Fork System Data

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

Other Specs of GT Power Series Jr.

Component group sets	Not Available
Pedals details	Aluminum
Rear shock absorber	Not Available
Saddle seat	GT Mini
Seat post extension	22.2 (millimeters) Diameter Aluminum