Specialized STUMPJUMPER M4 PRO 2002 VS Rocky Mountain TRAILHEAD 2007 specs comparison

Specialized Stumpjumper M4 Pro

General Infos

Model	Stumpjumper M4 Pro
Manufacturer	Specialized
Year of production	2002
Current price	Check price Here ==>
Color choice	- White -Red
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	26 X 1.90 (inches) Specialized Rockster
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Speed Dial Ti Levers Avid Single Digit Ti Brakes
Hubs for disc brakes	Rear: DT Swiss Onyx Front: Specialized Stout
Rims manufacturer	28-hole and 32-hole Mavic X517
Spoke nipples type	Aluminum Nipples
Spoke wheel	15ga. Double-butted 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
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 XT RapidFire SL
Rear gear set	11 - 32 Teeth 9-speed

Specialized Stumpjumper M4 Pro Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 34.9 (millimeters) Shimano Deore XT
Derailleur (Rear)	Shimano XTR SGS
Fork material	Triple-clamp Crown Aluminum
Fork type	Rock Shox Sid SL

Other Specs of Specialized Stumpjumper M4 Pro

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

Rocky Mountain Trailhead

General Infos

Model	Trailhead
Manufacturer	Rocky Mountain
Year of production	2007
Current price	Check price Here ==>
Color choice	-Matte Black
Sizes	- 14.5 (inches) - 16 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Kenda Nevegal
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Juicy 3 Levers Avid Juicy 3 Brakes
Hubs for disc brakes	Shimano M475 Disc
Rims manufacturer	WTB SX-24 With Eyelets
Spoke nipples type	Not Available
Spoke wheel	DT Champion

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	RMB XC Riser
Handlebar extender	Not Available
Handlebar stem details	RMB
Headset size	FSA

Gearing Specifications

Bicycle chain	Shimano CN-HG53
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB-UN26
Crankset parts and sizes	Shimano FC-M443
Gear shift levers	Shimano Deore
Rear gear set	Not Available

Rocky Mountain Trailhead Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano XT
Fork material	Single Crown Aluminum and magnesium
Fork type	100 (millimeters) Travel Marzocchi MZ Super Comp

Other Specs of Rocky Mountain Trailhead

Component group sets	Shimano Deore
Pedals details	Wellgo Big Flats
Rear shock absorber	Not Available
Saddle seat	RMB
Seat post extension	RMB