Specialized ROCKHOPPER 2011 VS Jamis DRAGON 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 Dragon 29er

General Infos

Model	Dragon 29er
Manufacturer	Jamis
Year of production	2009
Current price	Check price Here ==>
Color choice	-Mud
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.20 (inches) Kenda Karma
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid Juicy 3 Levers Avid Juicy 3 With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Shimano M525 Disc
Rims manufacturer	32-hole WTB LaserDisc Trail 29 (inches)
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	Reynolds 853 Chromoly
Frame type	TIG-welded
Handlebar construction	Ritchey Pro Rizer OS
Handlebar extender	Optional
Handlebar stem details	Ritchey Pro OS
Headset size	1 1/8 (inches) Ritchey Logic Comp V2

Gearing Specifications

Bicycle chain	SRAM PC-971
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano XT Hollowtech II
Crankset parts and sizes	22/32/44 Teeth Shimano XT
Gear shift levers	Shimano XT Rapidfire
Rear gear set	11 - 34 Teeth 9-speed

Jamis Dragon 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 Dual Air 29er

Other Specs of Jamis Dragon 29er

Component group sets	Shimano XT
Pedals details	Crank Brothers Candy C
Rear shock absorber	Not Available
Saddle seat	WTB Silverado
Seat post extension	27.2 (millimeters) Diameter Ritchey Pro 2-bolt