Specialized ROCKHOPPER DISC 2008 VS Rocky Mountain TRAILHEAD 2011 specs comparison

Specialized Rockhopper Disc

General Infos

Model	Rockhopper Disc
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	- black -White
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.0 (inches) Specialized Fast Trak LK Sport Wire
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid FR-5 Levers Avid BB-5 With 6 (inches) Rotor Brakes
Hubs for disc brakes	Specialized Hi-Lo Disc
Rims manufacturer	28-hole and 32-hole Specialized and Alex RHD 26
Spoke nipples type	Alloy Nipples
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	M4 Manipulated Alloy
Frame type	TIG-welded
Handlebar construction	Specialized Alloy XC Riser
Handlebar extender	Optional
Handlebar stem details	Specialized 3D Forged Alloy 31.8 (millimeters)
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMX X8
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	126 (millimeters) Spindle Shimano BB-ES25
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M341-8
Gear shift levers	Shimano Acera SL-MC40
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper Disc Fork System Data

Derailleur (Front)	Top Swing Shimano Altus FD-M310-6
Derailleur (Rear)	Shimano Alivio RD-M410
Fork material	Single Crown Crown Aluminum and steel and magnesium
Fork type	100 (millimeters) Travel RockShox Dart 3 SL

Other Specs of Specialized Rockhopper Disc

Component group sets	Mountain Mix
Pedals details	Steel Cage and composite Body
Rear shock absorber	Not Available
Saddle seat	Specialized XC With Kevlar Sides
Seat post extension	30.9 (millimeters) Diameter Specialized Alloy Two Bolt

Rocky Mountain Trailhead

General Infos

Model	Trailhead
Manufacturer	Rocky Mountain
Year of production	2011
Current price	Check price Here ==>
Color choice	-Silver and white
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.1'' Maxxis Crossmark
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano BR-M445 Levers Shimano BR-M445 Hydraulic Disc Brakes
Hubs for disc brakes	Shimano M475 Disc
Rims manufacturer	WTB Speed Disc XC
Spoke nipples type	Not Available
Spoke wheel	Stainless Stainless

Frame and Body Specs

Frame materials	6061 Double Butted Aluminum
Frame type	Aluminum
Handlebar construction	RMB Five 15 SL
Handlebar extender	Optional
Handlebar stem details	RMB L7
Headset size	Cane Creek A88

Gearing Specifications

Bicycle chain	Shimano HG-53
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano ES25 Octalink
Crankset parts and sizes	44/32/22t Teeth Shimano M430
Gear shift levers	Shimano Deore Rapid Fire
Rear gear set	11 - 32 Teeth 9-speed

Rocky Mountain Trailhead Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano SLX
Fork material	Not Available
Fork type	100 (millimeters) Travel RockShox Tora TK Coil

Other Specs of Rocky Mountain Trailhead

Component group sets	Shimano Mix
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	WTB Rocket V Comp
Seat post extension	27.2 (millimeters) Diameter RMB L2B