Specialized ROCKHOPPER A1 FS 1996 VS Trek POLICE BIKE 2010 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

Trek Police Bike

General Infos

Model	Police Bike
Manufacturer	Trek
Year of production	2010
Current price	Check price Here ==>
Color choice	- Gloss White -Gloss Black
Sizes	- 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - 24 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Bontrager H4
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid FR-5 Front and Avid FR- 5 Rear Levers Shimano M432 V-brake Brakes
Hubs for disc brakes	Shimano M495-L
Rims manufacturer	Alex Adventure XC
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha Black Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager SSR
Handlebar extender	MT-30AS Bar Ends
Handlebar stem details	Bontrager SSR
Headset size	1 1/8 (inches) Semi-ntegrated VP-A76

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	48/38/28 Teeth Shimano M411
Gear shift levers	Shimano M-410
Rear gear set	11 - 32 Teeth 8-speed

Trek Police Bike Fork System Data

Derailleur (Front)	Shimano M-410
Derailleur (Rear)	Shimano SLX
Fork material	Single Crown Crown Magnesium and aluminum
Fork type	100 (millimeters) Travel RockShox Tora SL Solo Air

Other Specs of Trek Police Bike

Component group sets	Mountain Mix
Pedals details	Wellgo Alloy Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager SSR
Seat post extension	Bontrager SSR