North Star ESTRELLA 1997 VS Specialized ROCKHOPPER COMP DISC 2007 specs comparison

North Star Estrella

General Infos

Model	Estrella
Manufacturer	North Star
Year of production	1997
Current price	Check price Here ==>
Color choice	-Matte blue
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) WTB VelociRaptor
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro RBP-375A Levers Tektro 876AG V-Brake Brakes
Hubs for disc brakes	Rear: Shimano STX-RC Front: North Star
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	Double-butted Heat-treated Chromoly
Frame type	TIG-welded
Handlebar construction	North Star Pro Series
Handlebar extender	Optional
Handlebar stem details	North Star
Headset size	1 (inches) Threadless Dia-Tech

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano BB-UN52
Crankset parts and sizes	24/34/42 Teeth Shimano Alivio
Gear shift levers	Grip Shift SRT-400i
Rear gear set	11 - 30 Teeth 8-speed

North Star Estrella Fork System Data

Derailleur (Front)	Top-pull and clamp-on 28.6 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano STX
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Indy C

Other Specs of North Star Estrella

Component group sets	Shimano Alivio
Pedals details	Chromoly Cage With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	North Star Competition
Seat post extension	North Star Micro-adjust

Specialized Rockhopper Comp Disc

General Infos

Model	Rockhopper Comp Disc
Manufacturer	Specialized
Year of production	2007
Current price	Check price Here ==>
Color choice	- Silver -Red
Sizes	- 23 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (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 FR5 Levers Avid BB5 With 6 (inches) Rotor Brakes
Hubs for disc brakes	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-442-8
Gear shift levers	Shimano Deore
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Comp Disc Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano Deore
Fork material	Single Crown Steel and aluminum
Fork type	100 (millimeters) RockShox Tora 302 SL

Other Specs of Specialized Rockhopper Comp Disc

Component group sets	Shimano Deore
Pedals details	Specialized Alloy 1pc Cage And Body
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry MTB
Seat post extension	30.9 (millimeters) Diameter Specialized Alloy Micro Adjust