Specialized HARDROCK GX FS 1997 VS Rocky Mountain HAMMER 29 2009 specs comparison

Specialized Hardrock GX FS

General Infos

Model	Hardrock GX FS
Manufacturer	Specialized
Year of production	1997
Current price	Check price Here ==>
Color choice	- green -Dark blue
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 19 (inches) - 20.5 (inches) - 23 (inches)
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 19 (inches) - 20.5 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Specialized Hardrock'R
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Levers Shimano Brakes
Hubs for disc brakes	Q and R Rear: Shimano Cassette Front: SBC Aluminum Quick Release
Rims manufacturer	36-hole Weinmann 519
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	TIG-welded
Handlebar construction	SBC Aluminum
Handlebar extender	Optional
Handlebar stem details	SBC Fast Fit
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano
Crankset parts and sizes	24/34/42 Teeth SBC Strongarm Sport
Gear shift levers	Grip Shift MRX-170
Rear gear set	11 - 28 Teeth 7-speed

Specialized Hardrock GX FS Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano AceraX Top-swing
Derailleur (Rear)	Shimano Alivio
Fork material	Triple-clamp
Fork type	SBC Top Gun

Other Specs of Specialized Hardrock GX FS

Component group sets	Not Available
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	SBC Softlite Super
Seat post extension	30.4 (millimeters) Diameter Aluminum Micro-adjust

Rocky Mountain Hammer 29

General Infos

Model	Hammer 29
Manufacturer	Rocky Mountain
Year of production	2009
Current price	Check price Here ==>
Color choice	-Blue
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	29 (inches) WTB Exi Wolf
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Shimano M575 Hydraulic Levers Shimano M575 Disc Brakes
Hubs for disc brakes	Wheeltech Cartridge Disc
Rims manufacturer	WTB SpeedDisc 29er
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Champion

Frame and Body Specs

Frame materials	Reynolds 725 Chromoly
Frame type	TIG-welded
Handlebar construction	RMB XC Alloy Riser
Handlebar extender	Optional
Handlebar stem details	RMB Alloy 31.8 (millimeters)
Headset size	1 1/8 (inches) FSA TH-848

Gearing Specifications

Bicycle chain	KMC Z610
Bottom bracket shell width	Not Available
Bottom bracket type	Race Face Ride XC X-Type
Crankset parts and sizes	32 Teeth Race Face Ride XC
Gear shift levers	Not Available
Rear gear set	18 Teeth 1-speed

Rocky Mountain Hammer 29 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Single
Fork type	80 (millimeters) Travel RockShox Reba SL 29er

Other Specs of Rocky Mountain Hammer 29

Component group sets	Single Speed Mix
Pedals details	Shimano PD-M505
Rear shock absorber	Not Available
Saddle seat	WTB Rocket V Comp
Seat post extension	27.2 (millimeters) Diameter RMB SP-353