Rocky Mountain TRAILHEAD 2005 VS Specialized HARDROCK DISC 2011 specs comparison

Rocky Mountain Trailhead

General Infos

Model	Trailhead
Manufacturer	Rocky Mountain
Year of production	2005
Current price	Check price Here ==>
Color choice	- Silver -Metallic Black
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches)
Sizes	- 14.5 (inches) - 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) Maxxis High Roller
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore Levers Shimano M495 Disc Front and Shimano BR-M495 Mechanical Disc Rear Brakes
Hubs for disc brakes	Rear: Shimano FH-M495 Disc Front: Shimano HB-M495 Disc
Rims manufacturer	32-hole Alex DP-17
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Champion Stainless Steel

Frame and Body Specs

Frame materials	RMB 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	RMB XC Riser
Handlebar extender	Optional
Handlebar stem details	RMB
Headset size	1 1/8 (inches) Threadless FSA

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG53
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB-UN25
Crankset parts and sizes	Shimano FC-M440
Gear shift levers	Shimano Deore
Rear gear set	9-speed

Rocky Mountain Trailhead Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano Deore LX
Fork material	Single Crown Aluminum
Fork type	105 (millimeters) Travel Marzocchi MZ Race

Other Specs of Rocky Mountain Trailhead

Component group sets	Mountain Mix
Pedals details	Wellgo Big Flats
Rear shock absorber	Not Available
Saddle seat	Velo Comfort
Seat post extension	RMB

Specialized Hardrock Disc

General Infos

Model	Hardrock Disc
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	- Blk and Sil - Wht and Red -Blk
Sizes	- 13 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.0 (inches) Specialized Fast Track LK Sport
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Alloy Levers Tektro IO Mechanical Disc Brakes
Hubs for disc brakes	Forged Alloy
Rims manufacturer	32-hole Alex RHD 26 (inches)
Spoke nipples type	Not Available
Spoke wheel	14ga. Butted Stainless

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Riserbar
Handlebar extender	Optional
Handlebar stem details	A-head
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC Z7
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	22/32/42 Teeth SR Suntour
Gear shift levers	SRAM X.3 Trigger
Rear gear set	12 - 32 Teeth 7-speed

Specialized Hardrock Disc Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Shimano Atlus
Derailleur (Rear)	SRAM X.4
Fork material	Single
Fork type	80 (millimeters) SR Suntour SF11

Other Specs of Specialized Hardrock Disc

Component group sets	Mountain Mix
Pedals details	Composite Platform
Rear shock absorber	Not Available
Saddle seat	Specialized XC
Seat post extension	30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust