Specialized ROCKHOPPER A1 COMP FS 2002 VS Trek 4900 2003 specs comparison

Specialized Rockhopper A1 Comp FS

General Infos

Model	Rockhopper A1 Comp FS
Manufacturer	Specialized
Year of production	2002
Current price	Check price Here ==>
Color choice	- Red -Black
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 Pro
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 Deore Front: Specialized Aluminum
Rims manufacturer	32-hole Mavic X 139 N
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-UN52
Crankset parts and sizes	22/32/44 Teeth Specialized Forearm II Comp
Gear shift levers	Shimano Deore RapidFire SL
Rear gear set	11 - 32 Teeth 9-speed

Specialized Rockhopper A1 Comp FS Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 34.9 (millimeters) Shimano Deore
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Triple-clamp Crown Aluminum
Fork type	Answer Manitou Six Elite

Other Specs of Specialized Rockhopper A1 Comp FS

Component group sets	Mountain Mix
Pedals details	Shimano PD-M505 SPD
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Pro
Seat post extension	30.9 (millimeters) Diameter Specialized Aluminum

Trek 4900

General Infos

Model	4900
Manufacturer	Trek
Year of production	2003
Current price	Check price Here ==>
Color choice	- Metallic Silver and Navy -Metallic Red
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Bontrager Jones AC
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Linear-pull Levers Aluminum Linear-pull Brakes
Hubs for disc brakes	Q and R Rear: Shimano Front: Aluminum
Rims manufacturer	32-hole Bontrager Corvair
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Crowbar Sport
Handlebar extender	Optional
Handlebar stem details	Bontrager Sport
Headset size	1 1/8 (inches) Threadless Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/44 Teeth Shimano M340-8
Gear shift levers	Shimano Alivio
Rear gear set	11 - 32 Teeth 9-speed

Trek 4900 Fork System Data

Derailleur (Front)	Shimano Alivio
Derailleur (Rear)	Shimano Deore SGS
Fork material	Single Crown Aluminum and magnesium
Fork type	80 (millimeters) Travel Rock Shox Pilot C

Other Specs of Trek 4900

Component group sets	Mountain Mix
Pedals details	Aluminum Cage
Rear shock absorber	Not Available
Saddle seat	Trek ATB
Seat post extension	Bontrager Sport