GT THUMPER 2000 VS GT BUMP 2007 specs comparison

GT Thumper

General Infos

Model	Thumper
Manufacturer	GT
Year of production	2000
Current price	Check price Here ==>
Color choice	- Propane -Gangreen
Sizes	- Not available
Sizes	- Not available

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.75 (inches) Powerlite Retro Tread Front: 20 X 2.125 (inches) Powerlite Retro Tread
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Dia-Compe MX-101 Rear Levers DiaTech 996 U-Brake Rear Brakes
Hubs for disc brakes	GT Mohawk
Rims manufacturer	48-hole Weinmann ZAC-X
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters)

Frame and Body Specs

Frame materials	Chromoly
Frame type	TIG-welded
Handlebar construction	GT Freestyle
Handlebar extender	Optional
Handlebar stem details	GT Johnson
Headset size	1 1/8 (inches) Threadless Aheadset SB-1 With SST Oryg Detangler

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC
Bottom bracket shell width	Not Available
Bottom bracket type	Sealed Cartridge
Crankset parts and sizes	44 Teeth GT 3-piece Chromoly
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

GT Thumper Fork System Data

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

Other Specs of GT Thumper

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

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