Specialized ROCKHOPPER A1 FS 1996 VS Opus SILK 2008 specs comparison

Specialized Rockhopper A1 FS

General Infos

Model	Rockhopper A1 FS
Manufacturer	Specialized
Year of production	1996
Current price	Check price Here ==>
Color choice	-Purple
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Specialized Ground Master Front: 26 X 1.95 (inches) Specialized Ground Control II
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-3 Levers Shimano Altus Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Araya GP-710
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Specialized Premium A1 Aluminum
Frame type	Welded Aluminum
Handlebar construction	Alloy
Handlebar extender	Optional
Handlebar stem details	Chromoly
Headset size	1 1/8 (inches) Sealed Mechanism

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG50
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	107 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	20/32/42 Teeth Specialized Son Of Strongarm
Gear shift levers	Grip Shift SRT-300i
Rear gear set	11 - 28 Teeth 7-speed

Specialized Rockhopper A1 FS Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano STX
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Quadra 5

Other Specs of Specialized Rockhopper A1 FS

Component group sets	Shimano Alivio
Pedals details	HTI Steel and resin With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Specialized Comfort Sport
Seat post extension	30.9 (millimeters) Diameter Alloy Micro-adjust

Opus Silk

General Infos

Model	Silk
Manufacturer	Opus
Year of production	2008
Current price	Check price Here ==>
Color choice	-Anodized White
Sizes	- Xsmall - small - medium

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Geax Arrojo
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Levers Shimano BR-485 With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Formula Disc
Rims manufacturer	Mavic XM 117
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Triple Butted 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Ora AL-027
Handlebar extender	Optional
Handlebar stem details	Ora 2D
Headset size	1 1/8 (inches) FSA Orbit

Gearing Specifications

Bicycle chain	Shimano HG53-9
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ Power Spline
Crankset parts and sizes	TruVativ Five D
Gear shift levers	Shimano Deore
Rear gear set	11 - 32 Teeth 9-speed

Opus Silk Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano Deore
Fork material	Single
Fork type	80 (millimeters) RockShox Tora 302

Other Specs of Opus Silk

Component group sets	Mountain Mix
Pedals details	Crank Brothers Smarty Lite Blue
Rear shock absorber	Not Available
Saddle seat	Ora Strada Eve
Seat post extension	27.2 (millimeters) Diameter Ora SP600