Specialized STUMPJUMPER DISC 2006 VS North Star ESTRELLA AL 1997 specs comparison

Specialized Stumpjumper Disc

General Infos

Model	Stumpjumper Disc
Manufacturer	Specialized
Year of production	2006
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 21 (inches)
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	120TPI Aramid Bead Dual Compound 26 X 2.00 (inches) Specialized Fast Trak Pro
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	6 (inches) Roundagon Rotor Brakes Avid FR-5 Levers Mechanical Disc Avid BB-7
Hubs for disc brakes	QR Rear: Shimano M525 High and low Flange Sealed Cartridge Bearing Front: Specialized Stout Disc
Rims manufacturer	32-hole Mavic X317 Disc
Spoke nipples type	Alloy
Spoke wheel	15ga. Straight Gauge DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	M4 Aluminum
Frame type	TIG-welded
Handlebar construction	31.8 (millimeters) OS Bar 5 Degree Backsweep 6066 Butted Alloy Specialized XC Flat
Handlebar extender	Optional
Handlebar stem details	31.8 (millimeters) OS Clamp 4-bolt 8 Degree Rise 3D Forged CNC Machined
Headset size	10 (millimeters) Insertion Alloy Cups Sealed Cartridge Bearing 1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	SRAM PC-971 With Power Link
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ GXP
Crankset parts and sizes	2-peice 22S and 32A and 44A Teeth Truvativ Stylo
Gear shift levers	9-speed Shimano M-570 LX
Rear gear set	11 - 34 Teeth 9-speed

Specialized Stumpjumper Disc Fork System Data

Derailleur (Front)	34.9 Clamp Dual Pull Top Swing Shimano M-580 LX
Derailleur (Rear)	Long Cage Standard Spring Shimano M-750 XT
Fork material	Single Crown Magnesium and aluminum
Fork type	90 (millimeters) Fox F90RL

Other Specs of Specialized Stumpjumper Disc

Component group sets	Mountain Mix
Pedals details	Clipless Shimano SPD 520
Rear shock absorber	Not Available
Saddle seat	Hollow Cr-Mo Rails Specialized Body Geometry Rival
Seat post extension	30.9 (millimeters) Diameter Aluminum

North Star Estrella Al

General Infos

Model	Estrella Al
Manufacturer	North Star
Year of production	1997
Current price	Check price Here ==>
Color choice	-Ball burnished
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 North Star Superlite Aluminum
Frame type	TIG-welded
Handlebar construction	North Star Pro Series
Handlebar extender	Optional
Handlebar stem details	North Star
Headset size	1 1/8 (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 Al Fork System Data

Derailleur (Front)	Top-pull and clamp-on 35.0 (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 Al

Component group sets	Shimano STX-RC and 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