GT SPEED SERIES JR. 1999 VS GT MACH ONE PRO 2007 specs comparison

GT Speed Series JR. 1999 comparison online with competitors

GT Speed Series JR.

General Infos
Model Speed Series JR.
Manufacturer GT
Year of production 1999
Current price Check price Here ==>   
Color choice -Ball-Burnished
Sizes - Mini
Sizes - Mini

Wheels And Breaking System

Bike front tire20 X 1 1/8 (inches) GT AA Pro
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type Tektro Alloy Linear-pull Rear Levers
Tektro Linear-pull Rear Brakes
Hubs for disc brakesGT Mohawk
Rims manufacturer 28-hole
Weinmann Mini Zac
Spoke nipples typeBrass Nipples
Spoke wheel 1.8 (millimeters) Straight Gauge
Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials6061 T6 Aluminum
Frame typeWelded
Handlebar constructionGT Jr Aluminum
Handlebar extenderNot Available
Handlebar stem detailsGT Mini Piston
Headset size1 (inches) Threadless Aheadset AL

Gearing Specifications

Bicycle chain1/2 X 1/8 (inches)
Bottom bracket shell widthNot Available
Bottom bracket typeCartridge
Crankset parts and sizes 42 Teeth
GT 3-piece Aluminum
Gear shift leversNot Available
Rear gear set 16 Teeth
1-speed

GT Speed Series JR. Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Not Available
Fork material Unicrown Crown
Reynolds 531
Fork typeGT

Other Specs of GT Speed Series JR.

Component group setsNot Available
Pedals detailsVictor VP-104 Clipless
Rear shock absorberNot Available
Saddle seatUni Mini
Seat post extensionAluminum


GT Mach One Pro 2007 comparison online with competitors

GT Mach One Pro

General Infos
Model Mach One Pro
Manufacturer GT
Year of production 2007
Current price Check price Here ==>   
Color choice - Brilliant Lime
-Brilliant Blue
Sizes - 20 wheel (inches)

Wheels And Breaking System

Bike front tire Rear: 20 X 1.75 (inches) GT Brody Knob
Front: 20 X 2.125 (inches) GT Brody Knob
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type Tektro 319 Levers
Tektro Alloy V-type Rear Brakes
Hubs for disc brakesGT Mohawk
Rims manufacturer 36-hole
Jalco ST-32
Spoke nipples typeBrass Nipples
Spoke wheel14ga. Straight Gauge

Frame and Body Specs

Frame materialsHi-Tensile Steel
Frame typeTIG-welded
Handlebar constructionGT BMX Hi-Ten
Handlebar extenderOptional
Handlebar stem detailsGT Aluminum
Headset size1 1/8 (inches) Threadless VP-A74F HD

Gearing Specifications

Bicycle chainKMC Z410
Bottom bracket shell widthNot Available
Bottom bracket type Ball Type
Steel
Crankset parts and sizes 41 Teeth
GT Forged 3pc.
Gear shift leversNot Available
Rear gear set 16 Teeth
1-speed

GT Mach One Pro Fork System Data

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

Other Specs of GT Mach One Pro

Component group setsBMX Mix
Pedals details Aluminum Body
Fixed Pins
BMX Platform Design
Rear shock absorberNot Available
Saddle seatGT Pro Lite
Seat post extension 25.4 (millimeters) Diameter
Aluminum


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