Specialized ROCKHOPPER COMP A1 1996 VS Performance M-507 1997 specs comparison

Specialized Rockhopper Comp A1

General Infos

Model	Rockhopper Comp A1
Manufacturer	Specialized
Year of production	1996
Current price	Check price Here ==>
Color choice	-Gun metal green
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 Alivio M-System Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Mavic 238
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT 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-IG51
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-600
Rear gear set	11 - 28 Teeth 8-speed

Specialized Rockhopper Comp A1 Fork System Data

Derailleur (Front)	Bottom-pull Shimano STX
Derailleur (Rear)	Shimano STX
Fork material	Butted Unicrown Crown Chromoly
Fork type	Specialized Direct Drive

Other Specs of Specialized Rockhopper Comp A1

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

Performance M-507

General Infos

Model	M-507
Manufacturer	Performance
Year of production	1997
Current price	Check price Here ==>
Color choice	-Gloss black
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) WTB Primal Raptor
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Alivio Levers Shimano Alivio M-System Brakes
Hubs for disc brakes	Rear: Shimano Alivio Front: King Kong 381
Rims manufacturer	36-hole Weinmann 519
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Shuhn Lih Stainless Steel

Frame and Body Specs

Frame materials	Double-butted True Temper Chromoly
Frame type	TIG-welded
Handlebar construction	Wisdom Aluminum
Handlebar extender	Optional
Handlebar stem details	Kalloy Aluminum
Headset size	1 1/8 (inches) Threadless Victor Modus VP-H200 Sealed

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-40
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	24/34/42 Teeth Shimano Alivio
Gear shift levers	Sachs Wavey
Rear gear set	11 - 28 Teeth 7-speed

Performance M-507 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano Alivio
Fork material	Unicrown Crown Chromoly
Fork type	Spinner

Other Specs of Performance M-507

Component group sets	Shimano Alivio
Pedals details	Victor VP-956A With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Hovercraft
Seat post extension	27.2 (millimeters) Diameter Kalloy SP-248