Specialized ROCKHOPPER PRO DISC 2007 VS Trek 4900 2002 specs comparison

Specialized Rockhopper Pro Disc

General Infos

Model	Rockhopper Pro Disc
Manufacturer	Specialized
Year of production	2007
Current price	Check price Here ==>
Color choice	-Mango
Sizes	- 21 (inches) - 15 (inches) - 17 (inches) - 19 (inches)
Sizes	- 21 (inches) - 15 (inches) - 17 (inches) - 19 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Specialized Fast Trak
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Juicy 3 Levers Avid Juicy 3 With 6 (inches) Rotor Brakes
Hubs for disc brakes	Rear: Shimano FH-M475L Front: Specialized Hi Lo Disc
Rims manufacturer	32-hole Specialized and Alex RHD 26
Spoke nipples type	Not Available
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized ORE A1 Aluminum
Frame type	TIG-welded
Handlebar construction	Alloy Riser
Handlebar extender	Optional
Handlebar stem details	Specialized 3D
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	Shimano CN-HG73
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Shimano ES-25
Crankset parts and sizes	22/32/44 Teeth Shimano FCM-540
Gear shift levers	Shimano Deore
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Pro Disc Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano LX
Fork material	Single Crown Aluminum and magnesium
Fork type	100 (millimeters) RockShox Recon 335 SL

Other Specs of Specialized Rockhopper Pro Disc

Component group sets	Mountain Mix
Pedals details	Specialized Alloy 1pc
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry MTB
Seat post extension	30.9 (millimeters) Diameter Specialized MTB Butted 6061

Trek 4900

General Infos

Model	4900
Manufacturer	Trek
Year of production	2002
Current price	Check price Here ==>
Color choice	- Yellow -Grey
Sizes	- 13 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (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	Rear: Shimano Front: Aluminum
Rims manufacturer	Bontrager Corvair
Spoke nipples type	Not Available
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	22/32/42 Teeth Bontrager
Gear shift levers	Shimano Alivio RapidFire Plus
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 Triple-clamp Crown Aluminum
Fork type	3.15 (inches) Travel Rock Shox Judy C

Other Specs of Trek 4900

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