Specialized HARDROCK SPORT DISC 2007 VS Rocky Mountain TRAILHEAD 2009 specs comparison

Specialized Hardrock Sport Disc

General Infos

Model	Hardrock Sport Disc
Manufacturer	Specialized
Year of production	2007
Current price	Check price Here ==>
Color choice	- Black Distressed - Organic -Silver Distressed
Sizes	- Xlarge - xsmall - small - medium - large
Sizes	- Xlarge - xsmall - small - medium - large

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Specialized Resolution
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 Levers Shimano BR-M415 With 6 (inches) Rotor Brakes
Hubs for disc brakes	Rear: Shimano FH-M65L Centerlock Disc Front: Shimano HB-M65L Centerlock Disc
Rims manufacturer	36-hole Specialized and Alex HRD 26
Spoke nipples type	Not Available
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized ORE A1 Aluminum
Frame type	TIG-welded
Handlebar construction	Alloy Riser
Handlebar extender	Optional
Handlebar stem details	Specialized
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	Shimano CN-HG50
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	113 (millimeters) Spindle TruVativ Power Spline
Crankset parts and sizes	22/32/42 Teeth TruVativ ISO Flow 3.0
Gear shift levers	Shimano EF-50
Rear gear set	11 - 32 Teeth 8-speed

Specialized Hardrock Sport Disc Fork System Data

Derailleur (Front)	Shimano Acera
Derailleur (Rear)	Shimano Acera
Fork material	Single Crown Steel and aluminum
Fork type	100 (millimeters) RST Gila Plus T7

Other Specs of Specialized Hardrock Sport Disc

Component group sets	Mountain Mix
Pedals details	Plastic Body Steel Cage
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry ATB
Seat post extension	30.9 (millimeters) Diameter Alloy Micro Adjust

Rocky Mountain Trailhead

General Infos

Model	Trailhead
Manufacturer	Rocky Mountain
Year of production	2009
Current price	Check price Here ==>
Color choice	-Titanium
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	26 (inches) WTB MotoRaptor
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano M486 Hydraulic Levers Shimano M486 Disc Brakes
Hubs for disc brakes	Wheeltech Cartridge Disc
Rims manufacturer	Alex TD-24
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Champion

Frame and Body Specs

Frame materials	RMB Custom 6061 Aluminum With Double Butted DT
Frame type	TIG-welded
Handlebar construction	Alloy Riser
Handlebar extender	Optional
Handlebar stem details	Alloy 31.8
Headset size	1 1/8 (inches) FSA TH-888

Gearing Specifications

Bicycle chain	Shimano HG53-9
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB-ES25 Octalink
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M442
Gear shift levers	Shimano Deore RapidFire
Rear gear set	11 - 32 Teeth 9-speed

Rocky Mountain Trailhead Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano XT
Fork material	Single
Fork type	100 (millimeters) Travel Marzocchi 33R

Other Specs of Rocky Mountain Trailhead

Component group sets	Shimano Deore
Pedals details	VP-559 Flat With Pins
Rear shock absorber	Not Available
Saddle seat	WTB Pure V Comp
Seat post extension	27.2 (millimeters) Diameter Alloy