Specialized ROCKHOPPER EXPERT 29ER 2011 VS Scott VOLTAGE YZ 20 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

Scott Voltage YZ 20

General Infos

Model	Voltage YZ 20
Manufacturer	Scott
Year of production	2011
Current price	Check price Here ==>
Color choice	-Lime green
Sizes	- Extra small - Small - Medium - Large

Wheels And Breaking System

Bike front tire	26 X 2.25'' Schwable Table Top
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Aquila Mechanical Disc
Hubs for disc brakes	Rear: Scott DC-22RQR Front: Scott DC-19FQR
Rims manufacturer	32-hole Alesa Rigida ZaC 21
Spoke nipples type	Not Available
Spoke wheel	14ga. CN Stainless

Frame and Body Specs

Frame materials	6061 Alloy c
Frame type	Alloy
Handlebar construction	Scott Voltage
Handlebar extender	Optional
Handlebar stem details	Scott Voltage
Headset size	1 1/8 (inches) Ritchey LB Plus

Gearing Specifications

Bicycle chain	KMC Z7
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	123 (millimeters) Spindle Shimano BB-UN26
Crankset parts and sizes	42/34/24t Teeth Shimano FC-M171
Gear shift levers	Shimano ST-EF51
Rear gear set	11 - 32 Teeth

Scott Voltage YZ 20 Fork System Data

Derailleur (Front)	Clamp On Shimano FD-TY10
Derailleur (Rear)	Shimano Acera
Fork material	Not Available
Fork type	100 (millimeters) Travel Suntour XCM V3

Other Specs of Scott Voltage YZ 20

Component group sets	Mountain Mix
Pedals details	VP-550 Platform
Rear shock absorber	Not Available
Saddle seat	Scott Voltage DJ
Seat post extension	26.8 (millimeters) Diameter Scott SP-235