Specialized ROCKHOPPER 2004 VS Jamis AURORA 1995 specs comparison

Specialized Rockhopper

General Infos

Model	Rockhopper
Manufacturer	Specialized
Year of production	2004
Current price	Check price Here ==>
Color choice	- Silver -Blue
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Specialized Roll-X
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Alivio RapidFire Plus Levers Tektro Linear-pull Brakes
Hubs for disc brakes	Aluminum QR
Rims manufacturer	32-hole Alex DM-20
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Aluminum
Handlebar extender	Optional
Handlebar stem details	Specialized Aluminum
Headset size	1 1/8 (inches) Threadless Aluminum Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG31
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle TruVativ Cartridge
Crankset parts and sizes	22/32/42 Teeth Specialized Forearm II
Gear shift levers	Shimano Alivio RapidFire Plus
Rear gear set	11 - 30 Teeth 8-speed

Specialized Rockhopper Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 34.9 (millimeters) Shimano Alivio
Derailleur (Rear)	Shimano Deore
Fork material	Single Crown Aluminum
Fork type	80 (millimeters) Travel Answer Manitou Six

Other Specs of Specialized Rockhopper

Component group sets	Mountain Mix
Pedals details	Aluminum Platform
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Pro
Seat post extension	30.9 (millimeters) Diameter Aluminum

Jamis Aurora

General Infos

Model	Aurora
Manufacturer	Jamis
Year of production	1995
Current price	Check price Here ==>
Color choice	- smoke -Purple candy
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Ritchey Climb Max Kevlar Front: 26 X 2.10 (inches) Ritchey Mad Max Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-7 Levers Shimano STX M-System Brakes
Hubs for disc brakes	Shimano STX-RC With Suspension Front
Rims manufacturer	Bontrager BCX-3
Spoke nipples type	Alloy Nipples
Spoke wheel	Double Butted Stainless Steel

Frame and Body Specs

Frame materials	Double-butted Tange Infinity Chromoly
Frame type	TIG-welded Steel
Handlebar construction	Sectre Wonderbar
Handlebar extender	Optional
Handlebar stem details	Spectre
Headset size	1 (inches) Dia-Compe Kontak Aheadset ST

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG50
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/42 Teeth Sugino Impel 350
Gear shift levers	Grip Shift SRT-600
Rear gear set	11 - 28 Teeth 7-speed

Jamis Aurora Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano STX
Derailleur (Rear)	Shimano STX
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Quadra 21

Other Specs of Jamis Aurora

Component group sets	Shimano STX-RC
Pedals details	Spectre UL Comp With Clips And Straps
Rear shock absorber	Not Available
Saddle seat	Spectre Comp
Seat post extension	26.8 (millimeters) Diameter Spectre UL Comp