Specialized ROCKHOPPER A1 FS 2002 VS Trek 4500 2009 specs comparison

Specialized Rockhopper A1 FS

General Infos

Model	Rockhopper A1 FS
Manufacturer	Specialized
Year of production	2002
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 2.10 (inches) Specialized Rockster Comp
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore Levers Shimano BR-410 Brakes
Hubs for disc brakes	Rear: Shimano RM-40 Front: Specialized Aluminum
Rims manufacturer	32-hole Mavic X139
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 Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG53
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-LP28
Crankset parts and sizes	22/32/44 Teeth Specialized Forearm II
Gear shift levers	Shimano Deore RapidFire SL
Rear gear set	11 - 32 Teeth 9-speed

Specialized Rockhopper A1 FS Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 35.0 (millimeters) Shimano Deore
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Triple-clamp Crown Aluminum
Fork type	Answer Manitou Six Comp

Other Specs of Specialized Rockhopper A1 FS

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

Trek 4500

General Infos

Model	4500
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	- Matte White -Metallic Black and Silver
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - 24 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Bontrager Jones ACX
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Levers Avid SD-3 Brakes
Hubs for disc brakes	Rear: Shimano RM30 Front: Alloy
Rims manufacturer	32-hole Bontrager Camino
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	Optional
Handlebar stem details	Bontrager SSR
Headset size	1 1/8 (inches) Threadless VP A76C-TK

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/42 Teeth Shimano M341
Gear shift levers	Shimano Alivio
Rear gear set	11 - 32 Teeth 8-speed

Trek 4500 Fork System Data

Derailleur (Front)	Shimano Acera
Derailleur (Rear)	Shimano Deore
Fork material	Single Crown
Fork type	100 (millimeters) Travel RockShox Dart 3 With Lockout

Other Specs of Trek 4500

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