GT Bicycles SPEED SERIES JR. 20 2012 VS Diamondback ASSAULT EX 1997 specs comparison

GT Bicycles Speed Series Jr. 20 2012 comparison online with competitors

GT Bicycles Speed Series Jr. 20

General Infos
Model Speed Series Jr. 20
Manufacturer GT Bicycles
Year of production 2012
Current price Check price Here ==>   
Color choice -Silver and Blue
Sizes - Standard size for all
Sizes - Standard size for all

Wheels And Breaking System

Bike front tireTioga Power Block 1-3/8
Bike rear tireNot Available
Bike wheel sizeNot Available
Brakeset typePromax MV-201
Hubs for disc brakesGT Mohawk 28h GT Mohawk 28h
Rims manufacturerUnavailable Wheelset
Spoke nipples typeNot Available
Spoke wheelNot Available

Frame and Body Specs

Frame materialsHydroformed Speed Metal Al
Frame typeNot Available
Handlebar constructionGT Race
Handlebar extenderNot Available
Handlebar stem detailsGT Race
Headset sizeFSA Integrated Sealed 1 (inches)

Gearing Specifications

Bicycle chainKMC Z610Hk
Bottom bracket shell widthNot Available
Bottom bracket typeEuro Sealed External Bearing
Crankset parts and sizesGT Race 145 (millimeters) 41t
Gear shift leversUnavailable Shifters
Rear gear setNot Available

GT Bicycles Speed Series Jr. 20 Fork System Data

Derailleur (Front)Unavailable Front Derailleur
Derailleur (Rear)Unavailable Rear Derailleur
Fork materialNot Available
Fork typeGT Cro-Mo

Other Specs of GT Bicycles Speed Series Jr. 20

Component group setsNot Available
Pedals detailsGT Mini Plastic
Rear shock absorberUnavailable Rear Shock
Saddle seatGT Uni
Seat post extensionGT Uni


Diamondback Assault EX 1997 comparison online with competitors

Diamondback Assault EX

General Infos
Model Assault EX
Manufacturer Diamondback
Year of production 1997
Current price Check price Here ==>   
Color choice -Brushed
Sizes - Boys 9.5 (inches)

Wheels And Breaking System

Bike front tire Rear: 20 X 1.75 (inches) Tioga Comp III
Front: 20 X 2.125 (inches) Tioga Comp III
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type Lee Chi 316A-1 Levers
Tektro 867A Brakes
Hubs for disc brakesKing Kong 370
Rims manufacturer 36-hole
Weinmann 4019
Spoke nipples typeBrass Nipples
Spoke wheel 2.0 (millimeters) Straight Gauge
Shuhn Lih Steel

Frame and Body Specs

Frame materials7005 aluminum c
Frame typeTIG-welded
Handlebar constructionHsin Lung
Handlebar extenderNot Available
Handlebar stem detailsHsin Lung
Headset size1 (inches) Victor VP-H75

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
KMC HP-20
Bottom bracket shell width68 (millimeters) Threadless
Bottom bracket typeVictor VPB-35
Crankset parts and sizes 44 Teeth
1-piece Chromoly
Gear shift leversNot Available
Rear gear set 16 Teeth
1-speed

Diamondback Assault EX Fork System Data

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

Other Specs of Diamondback Assault EX

Component group setsNot Available
Pedals detailsWellgo LU-313
Rear shock absorberNot Available
Saddle seatVelo VL-247
Seat post extension 27.0 (millimeters) Diameter
Lee Chi SP-204 Aluminum


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