North Star ESTRELLA 1997 VS Rocky Mountain HAMMER 2004 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

Rocky Mountain Hammer

General Infos

Model	Hammer
Manufacturer	Rocky Mountain
Year of production	2004
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Hutchinson Mosquito
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore M525 Hydraulic Levers Shimano Deore M525 Hydraulic Disc Brakes
Hubs for disc brakes	Shimano Deore Disc
Rims manufacturer	Mavic X223 Disc
Spoke nipples type	Not Available
Spoke wheel	DT Champion

Frame and Body Specs

Frame materials	Reynolds 725
Frame type	TIG-welded
Handlebar construction	Race Face Evolve
Handlebar extender	Not Available
Handlebar stem details	Race Face Evolve
Headset size	1 1/8 (inches) Threadless Ritchey Logic

Gearing Specifications

Bicycle chain	Shimano CN-HG73
Bottom bracket shell width	Not Available
Bottom bracket type	Race Face ISIS
Crankset parts and sizes	Race Face Evolve XC
Gear shift levers	Shimano Deore LX RapidFire
Rear gear set	9-speed

Rocky Mountain Hammer Fork System Data

Derailleur (Front)	Shimano Deore LX
Derailleur (Rear)	Shimano Deore SGS
Fork material	Single
Fork type	105 (millimeters) Travel Marzocchi MX Comp Air

Other Specs of Rocky Mountain Hammer

Component group sets	Mountain Mix
Pedals details	Shimano PD-M520 SPD
Rear shock absorber	Not Available
Saddle seat	Custom Selle Italia Fokus
Seat post extension	26.8 (millimeters) Diameter Race Face Evolve