Trek 4900 2001 VS Specialized HARDROCK DISC 2009 specs comparison

Trek 4900

General Infos

Model	4900
Manufacturer	Trek
Year of production	2001
Current price	Check price Here ==>
Color choice	- Red - Silver -Black
Sizes	- 13 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)
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	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	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	22/32/42 Teeth Shimano Acera X
Gear shift levers	Shimano Alivio RapidFire Plus
Rear gear set	11 - 32 Teeth 9-speed

Trek 4900 Fork System Data

Derailleur (Front)	Shimano Acera X
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

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

Specialized Hardrock Disc

General Infos

Model	Hardrock Disc
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	- Gloss Green - Satin Black -Gloss Burgundy
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Specialized Fast Trak LK Sport
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 Levers Tektro IOX Disc With 6 (inches) Rotor Brakes
Hubs for disc brakes	Specialized Forged Alloy
Rims manufacturer	32-hole Specialized HRD SW
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Hi-Ten Low Riser
Handlebar extender	Optional
Handlebar stem details	Specialized Forged Alloy
Headset size	1 1/8 (inches) Specialized Loose Ball

Gearing Specifications

Bicycle chain	KMC Z7
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	122.5 (millimeters) Spindle FSA BB-7420
Crankset parts and sizes	24/34/42 Teeth Shimano FC-M191 With Chainguard
Gear shift levers	Shimano EF-50
Rear gear set	14 - 34 Teeth 7-speed

Specialized Hardrock Disc Fork System Data

Derailleur (Front)	Shimano C050
Derailleur (Rear)	Shimano Altus
Fork material	Single Crown Hi-tensile Steel and alloy
Fork type	80 (millimeters) Travel SR Suntour SF8-XCT-V2

Other Specs of Specialized Hardrock Disc

Component group sets	Shimano 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