Specialized ROCKHOPPER 2011 VS Jamis EXPLORER SX 2002 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 Explorer SX

General Infos

Model	Explorer SX
Manufacturer	Jamis
Year of production	2002
Current price	Check price Here ==>
Color choice	- White and Black -Red and Chrome
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches) - womens 14.5 (inches) - womens 17.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Cheng Shin
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Linear-pull Levers Tektro Forged Linear-pull Brakes
Hubs for disc brakes	Q and R Aluminum
Rims manufacturer	36-hole Weinmann 519
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Chromoly and hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Rise Aluminum
Handlebar extender	Optional
Handlebar stem details	Jamis Aluminum Threadless
Headset size	1 1/8 (inches) Threadless Tange Seiki TG-3

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-UG50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	120 (millimeters) Spindle Sealed Three Piece
Crankset parts and sizes	24/34/42 Teeth Cyclone Aluminum
Gear shift levers	SRAM MRX
Rear gear set	13 - 28 Teeth 7-speed

Jamis Explorer SX Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) SRAM 3.0
Derailleur (Rear)	Shimano Acera
Fork material	Single Triple-clamp Crown Aluminum
Fork type	2.5 (inches) Travel InSync 266

Other Specs of Jamis Explorer SX

Component group sets	Mountain Mix
Pedals details	Wellgo Resin
Rear shock absorber	Not Available
Saddle seat	Viscount Bodyfit
Seat post extension	29.2 (millimeters) Diameter Aluminum Micro-adjust