Specialized ROCKHOPPER EXPERT 29ER 2011 VS Trek X-CALIBER WSD 2011 specs comparison

Specialized Rockhopper Expert 29er

General Infos

Model	Rockhopper Expert 29er
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	-Blk and Gry
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 Control
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Shimano BR-M505 Levers Shimano BR-M505 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 M4SL 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 Campy Spec Integrated Sealed Cartridge Bearing

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 SL-M590 Deore Trigger
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Expert 29er Fork System Data

Derailleur (Front)	34.9 (millimeters) Bottom Swing Top Pull Shimano Alivio
Derailleur (Rear)	Shimano Deore 9sp Shadow Long Cage
Fork material	Single Crown Alloy Steerer
Fork type	RockShox Tora TK 29 SL

Other Specs of Specialized Rockhopper Expert 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

Trek X-Caliber WSD

General Infos

Model	X-Caliber WSD
Manufacturer	Trek
Year of production	2011
Current price	Check price Here ==>
Color choice	-Matte Dark Gray and Titanite Black
Sizes	- Womens 14.5 (inches) - womens 15.5 (inches) - womens 17.5 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.1 (inches) Bontrager 29-2
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid Juicy 3
Hubs for disc brakes	Shimano M525
Rims manufacturer	32-hole Bontrager SSR Disc 29
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alloy
Frame type	TIG-welded
Handlebar construction	Bontrager Race Big Sweep
Handlebar extender	Optional
Handlebar stem details	Bontrager SSR
Headset size	1 1/8 (inches) Threadless Semi Integrated

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/44 Teeth SRAM S1000
Gear shift levers	SRAM X.7
Rear gear set	11 - 36 Teeth 10-speed

Trek X-Caliber WSD Fork System Data

Derailleur (Front)	SRAM X.7
Derailleur (Rear)	SRAM X.7
Fork material	Single
Fork type	100 (millimeters) Travel RockShox Reba RL 29

Other Specs of Trek X-Caliber WSD

Component group sets	SRAM X.7
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Bontrager Evoke 1 WSD
Seat post extension	27.2 (millimeters) Diameter Bontrager SSR