GT PRO SERIES 1999 VS Diamondback OPTION 2009 specs comparison

GT Pro Series

General Infos

Model	Pro Series
Manufacturer	GT
Year of production	1999
Current price	Check price Here ==>
Color choice	- Silver Metallic -Midnight Blue
Sizes	- Boys
Sizes	- Boys

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.75 (inches) GT AA Pro Front: 20 X 2.125 (inches) GT AA Pro
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Dia-Compe MX-1 Rear Levers Direct Pull Rear Brakes Dia-Compe MX1
Hubs for disc brakes	GT Rhythm System Sealed
Rims manufacturer	GT Rhythm System Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Reynolds 631
Frame type	Welded
Handlebar construction	GT
Handlebar extender	Not Available
Handlebar stem details	GT Piston Invet
Headset size	1 1/8 (inches) Threadless Aheadset SX-1

Gearing Specifications

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

GT Pro Series Fork System Data

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

Other Specs of GT Pro Series

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

Diamondback Option

General Infos

Model	Option
Manufacturer	Diamondback
Year of production	2009
Current price	Check price Here ==>
Color choice	-Silver
Sizes	- 19.5 TT (inches)

Wheels And Breaking System

Bike front tire	20 X 2.00 (inches) DB Cellblock
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro 2 Finger Levers Tektro 907 U-brake Brakes
Hubs for disc brakes	Rear: Cassette Driver Front: Steel 14 (millimeters) Axle
Rims manufacturer	48-hole Alloy
Spoke nipples type	Not Available
Spoke wheel	14ga.

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Hi-Ten 2-piece
Handlebar extender	Optional
Handlebar stem details	Alloy 4-bolt
Headset size	1 1/8 (inches) FSA Threadless

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC Z410
Bottom bracket shell width	Not Available
Bottom bracket type	Loose Ball Mid
Crankset parts and sizes	28 Teeth 3-Piece Tubular Chromoly 175 (millimeters)
Gear shift levers	Not Available
Rear gear set	10 Teeth 1-speed

Diamondback Option Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown High-tensile Steel
Fork type	Not Available

Other Specs of Diamondback Option

Component group sets	BMX
Pedals details	DB Sound Alloy With Traction Pins
Rear shock absorber	Not Available
Saddle seat	DB Driver's Seat
Seat post extension	25.4 (millimeters) Diameter Steel Micro-adjust