Specialized ROCKHOPPER COMP DISC 2006 VS Trek 4900 DISC 2003 specs comparison

Specialized Rockhopper Comp Disc

General Infos

Model	Rockhopper Comp Disc
Manufacturer	Specialized
Year of production	2006
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	Aramid Bead 26 X 2.00 (inches) Specialized Adrenaline Pro
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid FR-5 Levers Mechanical Disc With 6 (inches) Roundagon Rotor Brakes Avid BB-5
Hubs for disc brakes	Rear: Shimano 475 Double Sealed With Alloy QR With Shimano QR Front: Specialized Disc
Rims manufacturer	32-hole SUN DS2 Disc
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	25 (millimeters) XC Rise 6 Degree Upsweep 640 (millimeters) 8 Degree Sweep Double-butted Alloy
Handlebar extender	Optional
Handlebar stem details	Alloy A-head Forged And Tig Weldeded With Four Bolt Clamp
Headset size	Sealed Ball Retainer 1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	SRAM PC-951 With Power Link
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle TruVativ Power Spline
Crankset parts and sizes	22t and 32t Heat Treated Cro-Mo and 44t 7075 Aluminum Teeth Truvativ 5D With Alloy Outer Ring
Gear shift levers	9-speed Shimano Deore SL
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Comp Disc Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Bottom Pull Top Swing Shimano Deore
Derailleur (Rear)	Long Cage Shimano LX
Fork material	Single Crown Magnesium and aluminum and steel
Fork type	100 (millimeters) RockShox Tora 318 SL

Other Specs of Specialized Rockhopper Comp Disc

Component group sets	Mountain Mix
Pedals details	Alloy 1pc Body And Cage
Rear shock absorber	Not Available
Saddle seat	Light Weight Foam Specialized BGSport MTB
Seat post extension	30.9 (millimeters) Diameter Alloy Micro Adjust

Trek 4900 Disc

General Infos

Model	4900 Disc
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	Hayes HML Mechanical Disc Levers Hayes Mechanical Disc 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 Disc 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 Disc

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