Jamis ALLEGRO 3X 2010 VS GT AEROSTREAM 2009 specs comparison

Jamis Allegro 3X

General Infos

Model	Allegro 3X
Manufacturer	Jamis
Year of production	2010
Current price	Check price Here ==>
Color choice	-Victory Red and Pearl White
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	700 X 35c Vittoria Randonneur Trail
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano M486 Hydraulic Disc With 160 (millimeters) Rotor
Hubs for disc brakes	Shimano M495 Centerlock
Rims manufacturer	32-hole Mavic A119
Spoke nipples type	Not Available
Spoke wheel	WTB Stainless Steel

Frame and Body Specs

Frame materials	6061 Triple Butted Aluminum With Hydroform TT & DT
Frame type	TIG-welded
Handlebar construction	Jamis Butted 6061 Alloy Riser Bar
Handlebar extender	Optional
Handlebar stem details	NVO F-2 Adjustable
Headset size	1 1/8 (inches) Threadless Internal Cup

Gearing Specifications

Bicycle chain	Shimano CN-HG73
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	110 (millimeters) Spindle FSA Powerdrive
Crankset parts and sizes	48/36/26 Teeth FSA Alpha Drive With Power Drive
Gear shift levers	Shimano SL-M590 Rapidfire Plus
Rear gear set	11 - 34 Teeth 9-speed

Jamis Allegro 3X Fork System Data

Derailleur (Front)	Bottom Pull Shimano Deore M590
Derailleur (Rear)	Shimano Deore XT M771
Fork material	Single Crown Magnesium and aluminum
Fork type	63 (millimeters) Travel SR and SunTour NCX-D-LO Lite

Other Specs of Jamis Allegro 3X

Component group sets	Co (millimeters)uter Mix
Pedals details	Alloy Platform
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Elba
Seat post extension	27.2 (millimeters) Diameter Jamis Alloy Micro-adjust

GT Aerostream

General Infos

Model	Aerostream
Manufacturer	GT
Year of production	2009
Current price	Check price Here ==>
Color choice	- Silver -Olive
Sizes	- Small - medium - large

Wheels And Breaking System

Bike front tire	700 X 47c
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro 4-Finger With Kraton Rubber Insert Levers Tektro V-brake Brakes
Hubs for disc brakes	Rear: Shimano Nexus 3 Speed Internal Gear Front: Alloy Sealed
Rims manufacturer	Alloy
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	Hydroformed Aluminum
Frame type	TIG-welded
Handlebar construction	GT Streamline Alloy
Handlebar extender	Optional
Handlebar stem details	GT Streamline Quill
Headset size	1 1/8 (inches) Threaded

Gearing Specifications

Bicycle chain	Gates Belt
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Cartridge
Crankset parts and sizes	Alloy 3-Piece
Gear shift levers	Shimano Nexus 3 Revo Twist
Rear gear set	3-speed Internal

GT Aerostream Fork System Data

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

Other Specs of GT Aerostream

Component group sets	Co (millimeters)uter Mix
Pedals details	Dual Density Platform
Rear shock absorber	Not Available
Saddle seat	GT Streamline
Seat post extension	Alloy Micro Adjust