Trek 4900 2001 VS Specialized HARDROCK SPORT DISC 2006 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 Sport Disc

General Infos

Model	Hardrock Sport Disc
Manufacturer	Specialized
Year of production	2006
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- Extra small - Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	Wire Bead 26 X 2.20 (inches) Specialized Enduro Sport
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	6 (inches) Rotor Brakes Tektro RS-360 Levers Mechanical Disc Tektro IO
Hubs for disc brakes	Rear: Joy-Tech Disc Disc Cassette Ground Race Double Sealed Loose Ball Ground Race Double Sealed Loose Ball With Alloy QR Front: Joy-Tech
Rims manufacturer	36-hole Alex DP-20 Disc
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	38 (millimeters) Rise 6 Degree Upsweep 640 (millimeters) Width 8 Degree Sweep Alloy
Handlebar extender	Optional
Handlebar stem details	10 Degree Rise Alloy Specialized Mobius
Headset size	Sealed Ball Retainer 1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	Shimano CN-IG31
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 42t Cro-Mo Teeth Power Spline Alloy Capless Bolts Truvative X-Flow
Gear shift levers	8-speed SRAM SX-4 Trigger
Rear gear set	11 - 32 Teeth 9-speed

Specialized Hardrock Sport Disc Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Botttom Pull Top Swing SRAM 3.0
Derailleur (Rear)	8-speed Mid Cage SRAM SX-4
Fork material	Single Crown Steel and aluminum
Fork type	100 (millimeters) RST Gilla Plus-T6

Other Specs of Specialized Hardrock Sport Disc

Component group sets	SRAM Mix
Pedals details	Composite Body Steel Cage Toe Clip Compatible Dual Sided
Rear shock absorber	Not Available
Saddle seat	Specialized Specialized Body Geometry Sport ATB
Seat post extension	30.9 (millimeters) Diameter Alloy Micro Adjust