Specialized ROCKHOPPER 2011 VS Jamis DAKOTA 29ER 2009 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

Jamis Dakota 29er

General Infos

Model	Dakota 29er
Manufacturer	Jamis
Year of production	2009
Current price	Check price Here ==>
Color choice	-Inca Gold and Gloss Black
Sizes	- 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.10 (inches) Maxxis Ignitor
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Shimano M485 Hydraulic Levers Shimano M485 With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: Shimano M495 Centerlock Cassette Front: Shimano M495 Centerlock
Rims manufacturer	32-hole WTB SpeedDisc 29er
Spoke nipples type	Not Available
Spoke wheel	14ga. WTB Stainless

Frame and Body Specs

Frame materials	Kinesis Superlight 7005 Triple Butted Aluminum
Frame type	TIG-welded
Handlebar construction	Ritchey MTN
Handlebar extender	Optional
Handlebar stem details	Ritchey Comp
Headset size	1 1/8 (inches) Zero Stack

Gearing Specifications

Bicycle chain	KMC Z9000
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	121 (millimeters) Spindle Shimano Octalink ES25
Crankset parts and sizes	22/32/44 Teeth Shimano M521
Gear shift levers	Shimano SLX RapidFire
Rear gear set	11 - 32 Teeth 9-speed

Jamis Dakota 29er Fork System Data

Derailleur (Front)	Shimano XT
Derailleur (Rear)	Shimano XT Shadow
Fork material	Single Crown Magnesium and aluminum
Fork type	100 (millimeters) Travel RockShox Reba Race 29er

Other Specs of Jamis Dakota 29er

Component group sets	Shimano SLX and mix
Pedals details	Shimano PD-M505
Rear shock absorber	Not Available
Saddle seat	WTB Speed V Sport SE
Seat post extension	31.6 (millimeters) Diameter Ritchey Comp