Rocky Mountain THIN AIR 1998 VS Specialized HARDROCK GX FS 1997 specs comparison

Rocky Mountain Thin Air

General Infos

Model	Thin Air
Manufacturer	Rocky Mountain
Year of production	1998
Current price	Check price Here ==>
Color choice	-Red
Sizes	- 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches)
Sizes	- 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) WTB VelociRaptor 44/50 Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Grip Shift ESP 9.0 Levers Shimano Deore XT V-Brake Brakes
Hubs for disc brakes	Shimano Deore XT
Rims manufacturer	Sun Rims CR17A
Spoke nipples type	Not Available
Spoke wheel	2.0 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	Easton Custom HBO Aluminum
Frame type	Welded
Handlebar construction	Syncros
Handlebar extender	Optional
Handlebar stem details	Syncros
Headset size	1 1/8 (inches) Threadless Ritchey Fuzzy Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Taya TB-700
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB-UN72
Crankset parts and sizes	22/32/44 Teeth Race Face Turbine LP
Gear shift levers	Grip Shift ESP 9.0SL
Rear gear set	11 - 30 Teeth 8-speed

Rocky Mountain Thin Air Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano Deore XT Top-swing
Derailleur (Rear)	Grip Shift ESP 9.0SL
Fork material	Triple-clamp Crown Aluminum
Fork type	Marzocchi Bomber Z-2

Other Specs of Rocky Mountain Thin Air

Component group sets	Grip Shift ESP 9.0SL and Shimano Deore XT
Pedals details	Ritchey Expert
Rear shock absorber	Not Available
Saddle seat	Selle Italia Future Race
Seat post extension	Syncros

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)

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