Specialized ROCKHOPPER 2011 VS Specialized ERA COMP 2008 specs comparison

Specialized Rockhopper

General Infos

Model	Rockhopper
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	- Wht and Red -Blk and Brn
Sizes	- 13 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
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 The Captain Sport
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Alloy Levers Avid BB5 Mechanical Disc Brakes
Hubs for disc brakes	Rear: Forged Alloy Front: Forged Alloy Hi and low Flange
Rims manufacturer	28-hole and 32-hole Alex RHD 26 (inches)
Spoke nipples type	Not Available
Spoke wheel	14ga. Butted Stainless

Frame and Body Specs

Frame materials	Specialized M4 Alloy
Frame type	TIG-welded
Handlebar construction	Butted Alloy Risebar
Handlebar extender	Optional
Handlebar stem details	3D Forged Alloy
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC X8
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB ES25 Octalink
Crankset parts and sizes	22/32/42 Teeth SR Suntour
Gear shift levers	SRAM X.4
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Shimano Atlus
Derailleur (Rear)	SRAM X.5
Fork material	Single Crown Alloy Steerer
Fork type	SR Suntour SF11

Other Specs of Specialized Rockhopper

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

Specialized ERA Comp

General Infos

Model	ERA Comp
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	-Red
Sizes	- Womens 13.5 (inches) - womens 15.5 (inches) - womens 17 (inches) - womens 18 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26x2.00 (inches) Specialized Fast Track Control LK Front: 26 X 2.00 (inches) Specialized Fast Track Control LK
Bike rear tire	Not Available
Bike wheel size	Rear: 26x2.00 (inches) Wheels Front: 26 (inches)
Brakeset type	160 (millimeters) Brakes Avid Juicy 5 SL Levers Avid Juicy 5 SL
Hubs for disc brakes	Rear: Shimano M525 Disc Front: Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole DT Swiss X420
Spoke nipples type	Alloy Niples
Spoke wheel	15ga. Straight Gauge DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	M5 Aluminum
Frame type	TIG-welded
Handlebar construction	31.8 6 Back 600 (millimeters) Wide Specialized OS XC Flat 2014 Alloy Bar
Handlebar extender	Optional
Handlebar stem details	3D Forged With CNC Finish 31.8 (millimeters) Clamp Specialized
Headset size	1 1/8 (inches) Threadless Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) SRAM PC-971 With Power Link
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano M542
Crankset parts and sizes	22/32/44 Teeth Shimano M542
Gear shift levers	SRAM X-7 Trigger
Rear gear set	11 - 34 Teeth 9-speed

Specialized ERA Comp Fork System Data

Derailleur (Front)	Dual-pull and clamp-on 34.9 (millimeters) Shimano M581 LX
Derailleur (Rear)	SRAM X.9
Fork material	Single Crown Aluminum
Fork type	90 (millimeters) Travel Fox F90RL

Other Specs of Specialized ERA Comp

Component group sets	Mountain Mix
Pedals details	Crank Brothers Smarty
Rear shock absorber	Not Available
Saddle seat	Hollow Cr-Mo Rails Specialized Women's Ariel
Seat post extension	30.9 (millimeters) Diameter Alloy Single Bolt Setback