Specialized HARDROCK A1 PRO FS 2002 VS Rocky Mountain TRAILHEAD 2010 specs comparison

Specialized Hardrock A1 Pro FS

General Infos

Model	Hardrock A1 Pro FS
Manufacturer	Specialized
Year of production	2002
Current price	Check price Here ==>
Color choice	-Black
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 2.10 (inches) Specialized Rockster Sport
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Linear-pull Levers Specialized Linear-pull Brakes
Hubs for disc brakes	Q and R Rear: Shimano RM-40 Front: Formula Aluminum
Rims manufacturer	32-hole Alex DM-20
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Aluminum
Handlebar extender	Optional
Handlebar stem details	Specialized Aluminum
Headset size	1 1/8 (inches) Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG31
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-LP28
Crankset parts and sizes	22/32/42 Teeth Specialized Forearm Comp
Gear shift levers	Shimano Alivio RapidFire Plus
Rear gear set	11 - 30 Teeth 8-speed

Specialized Hardrock A1 Pro FS Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 35.0 (millimeters) Shimano Alivio
Derailleur (Rear)	Shimano Deore SGS
Fork material	Triple-clamp Crown Aluminum
Fork type	Rock Shox Judy TT

Other Specs of Specialized Hardrock A1 Pro FS

Component group sets	Mountain Mix
Pedals details	Specialized Twin Sided Toe Clip
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Sport
Seat post extension	30.9 (millimeters) Diameter Aluminum

Rocky Mountain Trailhead

General Infos

Model	Trailhead
Manufacturer	Rocky Mountain
Year of production	2010
Current price	Check price Here ==>
Color choice	-Grey
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.1 (inches) WTB Wolverine
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano M486 Hydraulic Levers Shimano M486 Hydraulic Disc With 160 (millimeters) Centerlock Rotor Brakes
Hubs for disc brakes	Wheeltech Disc Super Sealed With Alloy QR
Rims manufacturer	WTB SX24
Spoke nipples type	Not Available
Spoke wheel	Stainless

Frame and Body Specs

Frame materials	RMB Custom 6061 Double Butted Alu
Frame type	TIG-welded
Handlebar construction	RMB XC 620 (millimeters) X 30 (millimeters)
Handlebar extender	Optional
Handlebar stem details	RMB XC 7-degree
Headset size	FSA TH-888

Gearing Specifications

Bicycle chain	Shimano HG53
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ Power Spline
Crankset parts and sizes	22/32/44 Teeth TruVativ Five D
Gear shift levers	Shimano Deore RapidFire
Rear gear set	11 - 32 Teeth 9-speed

Rocky Mountain Trailhead Fork System Data

Derailleur (Front)	Clamp On 31.8 (millimeters) Shimano Deore
Derailleur (Rear)	Shimano SLX
Fork material	Single
Fork type	100 (millimeters) Travel RockShox Dart 3

Other Specs of Rocky Mountain Trailhead

Component group sets	Shimano Deore Mix
Pedals details	VP 565 Alloy
Rear shock absorber	Not Available
Saddle seat	WTB Pure V Sport
Seat post extension	27.2 (millimeters) Diameter Alloy