GT Bicycles SPEED SERIES PRO 20 2012 VS Nirve HEAT 2003 specs comparison

GT Bicycles Speed Series Pro 20 2012 comparison online with competitors

GT Bicycles Speed Series Pro 20

General Infos
Model Speed Series Pro 20
Manufacturer GT Bicycles
Year of production 2012
Current price Check price Here ==>   
Color choice -Silver and Blue
Sizes - 20.5 TT (inches)
Sizes - 20.5 TT (inches)

Wheels And Breaking System

Bike front tireTioga Powerblock 1.75
Bike rear tireNot Available
Bike wheel sizeNot Available
Brakeset typePromax MV-197
Hubs for disc brakesGT Mohawk AL Sealed 32h GT Mohawk AL Sealed 36h
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 Cro-Mo
Handlebar extenderNot Available
Handlebar stem detailsGT Race
Headset sizeFSA Impact 1-1/8 (inches)

Gearing Specifications

Bicycle chainKMC Z610Hk
Bottom bracket shell widthNot Available
Bottom bracket typeFSA BB30
Crankset parts and sizesFSA Assault BB30 170 (millimeters) 44t
Gear shift leversUnavailable Shifters
Rear gear setNot Available

GT Bicycles Speed Series Pro 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 Pro 20

Component group setsNot Available
Pedals detailsGT Pro Plastic
Rear shock absorberUnavailable Rear Shock
Saddle seatSDG Patriot I-Beam
Seat post extensionSDG I-Beam


Nirve Heat 2003 comparison online with competitors

Nirve Heat

General Infos
Model Heat
Manufacturer Nirve
Year of production 2003
Current price Check price Here ==>   
Color choice -Red
Sizes - Professional size

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 Tektro Sabre Rear Levers
Tektro BX-21 Linear-pull Rear Brakes
Hubs for disc brakesVoxom Low-Flange Sealed Bearing
Rims manufacturer 36-hole
Voxom Three Six-Ds
Spoke nipples typeAluminum Nipples
Spoke wheel 14/15ga. Double-butted
Stainless Steel

Frame and Body Specs

Frame materialsChromoly
Frame typeTIG-welded
Handlebar constructionVoxom Chromoly Expert
Handlebar extenderNot Available
Handlebar stem detailsVoxom Forged
Headset size1 1/8 (inches) Threadless Dia Compe SX-1

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
KMC Z-610HX
Bottom bracket shell width68 (millimeters) American
Bottom bracket typeSealed Cartridge
Crankset parts and sizes 44 Teeth
Voxom 3-piece
Gear shift leversNot Available
Rear gear set1-speed

Nirve Heat Fork System Data

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

Other Specs of Nirve Heat

Component group setsNot Available
Pedals detailsVoxom Alloy Platform
Rear shock absorberNot Available
Saddle seatVoxom Padded
Seat post extension 25.4 (millimeters) Diameter
Voxom Alloy Micro-Adjust


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