Rocky Mountain THIN AIR 1997 VS Specialized STUMPJUMPER M4 2002 specs comparison

Rocky Mountain Thin Air

General Infos

Model	Thin Air
Manufacturer	Rocky Mountain
Year of production	1997
Current price	Check price Here ==>
Color choice	-Light blue and cream
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 2.10 (inches) WTB VelociRaptor
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid SD-3.0 Levers Avid 1D-30 Brakes
Hubs for disc brakes	Rear: Shimano Deore XT Front: Shimano Deore XT Suspension
Rims manufacturer	32-hole Sun Rims CR17A
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Easton Elite With Replaceable Derailleur Hanger
Frame type	TIG-welded
Handlebar construction	Race Face
Handlebar extender	Optional
Handlebar stem details	Syncros
Headset size	1 1/8 (inches) Threadless Race Face Real Seal

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-M55
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	107 (millimeters) Spindle Shimano BB-UN72
Crankset parts and sizes	22/32/44 Teeth Race Face
Gear shift levers	Shimano Deore XT RapidFire SL
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)	Shimano Deore XT SGS
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Judy XC

Other Specs of Rocky Mountain Thin Air

Component group sets	Shimano Deore XT
Pedals details	Ritchey Logic
Rear shock absorber	Not Available
Saddle seat	Selle Italia
Seat post extension	26.8 (millimeters) Diameter Syncros Hardcore Aluminum

Specialized Stumpjumper M4

General Infos

Model	Stumpjumper M4
Manufacturer	Specialized
Year of production	2002
Current price	Check price Here ==>
Color choice	-Silver and White
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.90 (inches) Specialized Rockster Pro
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid SD 5 Levers Avid Single Digit 3 Brakes
Hubs for disc brakes	Rear: Shimano Deore Front: Specialized Stout
Rims manufacturer	28-hole and 32-hole Mavic X221
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Specialized M4 Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Aluminum
Handlebar extender	Optional
Handlebar stem details	Specialized Riser
Headset size	1 1/8 (inches) Threadless Aluminum

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG53
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Shimano BB-ES50
Crankset parts and sizes	22/32/44 Teeth Specialized Strong Arm II
Gear shift levers	Shimano Deore LX RapidFire SL
Rear gear set	11 - 32 Teeth 9-speed

Specialized Stumpjumper M4 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 34.9 (millimeters) Shimano Deore LX
Derailleur (Rear)	Shimano Deore XT
Fork material	Triple-clamp Crown Aluminum
Fork type	Rock Shox Duke XC

Other Specs of Specialized Stumpjumper M4

Component group sets	Mountain Mix
Pedals details	Shimano PD-M515 SPD
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Pro
Seat post extension	30.9 (millimeters) Diameter Aluminum