Specialized ROCKHOPPER COMP 29ER 2011 VS Specialized ERA 2008 specs comparison

Specialized Rockhopper Comp 29er

General Infos

Model	Rockhopper Comp 29er
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	- Blu and Blk -Blk and Wht
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.0 (inches) Specialized The Captain Sport
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Tektro Draco Levers Tektro Draco Brakes
Hubs for disc brakes	Rear: Forged Alloy Mid Flange Front: Forged Alloy Hi and low Flange
Rims manufacturer	32-hole and 36-hole Alex RHD 29 (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 X9
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB ES25 Octalink
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M430-8
Gear shift levers	Shimano Alivio SL
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Comp 29er Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Shimano Alivio
Derailleur (Rear)	Shimano Alivio
Fork material	Single Crown Alloy Steerer
Fork type	SR Suntour SF11

Other Specs of Specialized Rockhopper Comp 29er

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

Specialized ERA

General Infos

Model	ERA
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	-Blue
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	Avid FR-5 Levers Avid SD-5R Brakes
Hubs for disc brakes	Rear: Shimano M525 Disc Front: Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole Mavic X317
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 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

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