GT THUMPER 2004 VS GT AIR 2007 specs comparison

GT Thumper 2004 comparison online with competitors

GT Thumper

General Infos
Model Thumper
Manufacturer GT
Year of production 2004
Current price Check price Here ==>   
Color choice -Blue
Sizes - One
Sizes - One

Wheels And Breaking System

Bike front tire Rear: 20 X 2.10 (inches) GT LP-4
Front: 20 X 2.20 (inches) GT 1453
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type Tektro 273A Rear Levers
Tektro FX-11 U-brake Rear Brakes
Hubs for disc brakes 14 (millimeters) Axle
Aluminum
Rims manufacturer 36-hole
Alex DX-2418
Spoke nipples typeBrass Nipples
Spoke wheel 14ga. Straight Gauge
Stainless Steel

Frame and Body Specs

Frame materialsChromoly
Frame typeTIG-welded
Handlebar constructionGT BMX
Handlebar extenderNot Available
Handlebar stem detailsGT Piston
Headset size1 1/8 (inches) Threadless Tien Hsin With SST Oryg

Gearing Specifications

Bicycle chain 1/2 X 3/16 (inches)
KMC Z510H
Bottom bracket shell widthAmerican
Bottom bracket typeNot Available
Crankset parts and sizes 39 Teeth
GT 3-piece Chromoly
Gear shift leversNot Available
Rear gear set 14 Teeth
1-speed

GT Thumper Fork System Data

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

Other Specs of GT Thumper

Component group setsNot Available
Pedals detailsGT BMX Design Aluminum
Rear shock absorberNot Available
Saddle seatGT Launch Pad
Seat post extensionSteel Micro-adjust


GT Air 2007 comparison online with competitors

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 tire26 X 2.10 (inches) GT Air Bags
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Tektro 289 Levers
Tektro 907 U-brake Brakes
Hubs for disc brakes Rear: Sealed Mech
Freewheel
Front: Sealed Mech
Rims manufacturerACS Mag Wheels
Spoke nipples typeBrass Nipples
Spoke wheelStraight Gauge

Frame and Body Specs

Frame materialsHi-Tensile Steel
Frame typeTIG-welded
Handlebar constructionGT Dirt and street Hi-Ten
Handlebar extenderOptional
Handlebar stem detailsGT Aluminum
Headset size Steel
1 1/8 (inches) Threadless TH

Gearing Specifications

Bicycle chainKMC Z410
Bottom bracket shell widthNot 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 leversNot 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 typeGT Freestyle

Other Specs of GT Air

Component group setsBMX Mix
Pedals details Resin
GT Jump Design
Rear shock absorberNot Available
Saddle seatGT Freestyle
Seat post extension 25.4 (millimeters) Diameter
Steel


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