Trek 4900 WSD 2002 VS Specialized ROCKHOPPER 2008 specs comparison

Trek 4900 WSD

General Infos

Model	4900 WSD
Manufacturer	Trek
Year of production	2002
Current price	Check price Here ==>
Color choice	-Blue
Sizes	- Womens 14 (inches) - womens 16 (inches) - womens 18 (inches)
Sizes	- Womens 14 (inches) - womens 16 (inches) - womens 18 (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 Short Reach 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	24/34/42 Teeth Bontrager
Gear shift levers	Shimano Alivio RapidFire Plus
Rear gear set	11 - 32 Teeth 8-speed

Trek 4900 WSD 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 WSD

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

Specialized Rockhopper

General Infos

Model	Rockhopper
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	- blue - yellow -Green
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.0 (inches) Specialized Fast Trak LK Sport Wire
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Promax Alloy 2-finger Levers Promax Alloy (inches)V (inches) Brakes
Hubs for disc brakes	Rear: Shimano FH-RM30L Front: Specialized Forged Alloy
Rims manufacturer	28-hole and 32-hole Specialized and Alex RH 26
Spoke nipples type	Alloy Nipples
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	M4 Manipulated Alloy
Frame type	TIG-welded
Handlebar construction	Specialized Alloy XC Riser
Handlebar extender	Optional
Handlebar stem details	Specialized 3D Forged Alloy 31.8 (millimeters)
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMX X8
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	126 (millimeters) Spindle Shimano BB-ES25
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M341-8
Gear shift levers	Shimano Acera SL-MC40
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper Fork System Data

Derailleur (Front)	Top Swing Shimano Altus FD-M310-6
Derailleur (Rear)	Shimano Alivio RD-M410
Fork material	Single Crown Crown Aluminum and steel and magnesium
Fork type	100 (millimeters) Travel RockShox Dart 3 SL

Other Specs of Specialized Rockhopper

Component group sets	Mountain Mix
Pedals details	Steel Cage and composite Body
Rear shock absorber	Not Available
Saddle seat	Specialized XC With Kevlar Sides
Seat post extension	30.9 (millimeters) Diameter Specialized Alloy Two Bolt