Specialized ROCKHOPPER PRO DISC 2007 VS GT AGGRESSOR 1997 specs comparison

Specialized Rockhopper Pro Disc

General Infos

Model	Rockhopper Pro Disc
Manufacturer	Specialized
Year of production	2007
Current price	Check price Here ==>
Color choice	-Mango
Sizes	- 21 (inches) - 15 (inches) - 17 (inches) - 19 (inches)
Sizes	- 21 (inches) - 15 (inches) - 17 (inches) - 19 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Specialized Fast Trak
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Juicy 3 Levers Avid Juicy 3 With 6 (inches) Rotor Brakes
Hubs for disc brakes	Rear: Shimano FH-M475L Front: Specialized Hi Lo Disc
Rims manufacturer	32-hole Specialized and Alex RHD 26
Spoke nipples type	Not Available
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized ORE A1 Aluminum
Frame type	TIG-welded
Handlebar construction	Alloy Riser
Handlebar extender	Optional
Handlebar stem details	Specialized 3D
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	Shimano CN-HG73
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Shimano ES-25
Crankset parts and sizes	22/32/44 Teeth Shimano FCM-540
Gear shift levers	Shimano Deore
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Pro Disc Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano LX
Fork material	Single Crown Aluminum and magnesium
Fork type	100 (millimeters) RockShox Recon 335 SL

Other Specs of Specialized Rockhopper Pro Disc

Component group sets	Mountain Mix
Pedals details	Specialized Alloy 1pc
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry MTB
Seat post extension	30.9 (millimeters) Diameter Specialized MTB Butted 6061

GT Aggressor

General Infos

Model	Aggressor
Manufacturer	GT
Year of production	1997
Current price	Check price Here ==>
Color choice	- red -Grey
Sizes	- 14.5 (inches) - 16 (inches) - 18 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Tioga Psycho TT Front: 26 X 2.10 (inches) Tioga Edge
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Alivio Levers Shimano Altus Brakes
Hubs for disc brakes	Rear: Shimano AceraX Front: Aluminum Quick Release
Rims manufacturer	32-hole Araya GP-710
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Chromoly Main Triangle and hi-tensile Steel Rear Stays
Frame type	Welded
Handlebar construction	Aluminum
Handlebar extender	Optional
Handlebar stem details	Chromoly
Headset size	1 1/8" c

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano
Crankset parts and sizes	24/32/42 Teeth Shimano Altus
Gear shift levers	Shimano Alivio MC12-C RapidFire Plus
Rear gear set	11 - 28 Teeth 7-speed

GT Aggressor Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Altus Top-swing
Derailleur (Rear)	Shimano AceraX
Fork material	Triple-clamp Crown Aluminum and chromoly
Fork type	RST 171B

Other Specs of GT Aggressor

Component group sets	Shimano Alivio and Altus
Pedals details	Steel Cage
Rear shock absorber	Not Available
Saddle seat	GT
Seat post extension	26.8 (millimeters) Diameter Aluminum Micro-adjust