Specialized ROCKHOPPER COMP 29 2009 VS Trek 4900 DISC 2001 specs comparison

Specialized Rockhopper Comp 29

General Infos

Model	Rockhopper Comp 29
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	- Gloss Green -Satin Black
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.00 (inches) Specialized Fast Trak Sport
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid FR-5 Levers Avid BB5 With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: Specialized Forged Alloy Front: Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole Specialized RHD 29 (inches)
Spoke nipples type	Not Available
Spoke wheel	15ga. Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Low Riser
Handlebar extender	Optional
Handlebar stem details	31.8 (millimeters) Specialized 3D
Headset size	1 1/8 (inches) Specialized Loose Ball

Gearing Specifications

Bicycle chain	KMC X8
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Shimano BB-ES25
Crankset parts and sizes	22/32/42 Teeth Shimano FC-M36108
Gear shift levers	SRAM X.4 Trigger
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper Comp 29 Fork System Data

Derailleur (Front)	Shimano Altus
Derailleur (Rear)	SRAM X.5 Medium Cage
Fork material	Single Crown Aluminum and chromoly
Fork type	80 (millimeters) Travel RockShox Dart 3 SL

Other Specs of Specialized Rockhopper Comp 29

Component group sets	SRAM Mix
Pedals details	Plastic Body Steel Cage
Rear shock absorber	Not Available
Saddle seat	Specialized XC Body Geometry
Seat post extension	30.9 (millimeters) Diameter Micro Adjust Specialized Alloy Two Bolt

Trek 4900 Disc

General Infos

Model	4900 Disc
Manufacturer	Trek
Year of production	2001
Current price	Check price Here ==>
Color choice	- Silver -Red
Sizes	- 13 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	Bontrager Jones AC
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Hayes Hydraulic Disc Levers Hayes Hydraulic Disc Brakes
Hubs for disc brakes	Rear: Shimano Front: Aluminum
Rims manufacturer	Bontrager Corvair
Spoke nipples type	Not Available
Spoke wheel	Stainless Steel

Frame and Body Specs

Frame materials	Alpha 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 Dia-Compe STR

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	24/34/42 Teeth Shimano
Gear shift levers	Shimano Deore LX RapidFire SL
Rear gear set	11 - 32 Teeth 9-speed

Trek 4900 Disc Fork System Data

Derailleur (Front)	Shimano Deore LX
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	3.15 (inches) Travel Rock Shox Judy TT

Other Specs of Trek 4900 Disc

Component group sets	Mountain Mix
Pedals details	Aluminum ATB
Rear shock absorber	Not Available
Saddle seat	Bontrager FS 2000
Seat post extension	Bontrager Sport