Specialized ROCKHOPPER COMP DISC 2006 VS Trek 820 WSD 2011 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 820 WSD

General Infos

Model	820 WSD
Manufacturer	Trek
Year of production	2011
Current price	Check price Here ==>
Color choice	-Crystal Pearl White
Sizes	- Womens 13 (inches) - womens 16 (inches) - womens 19.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.0 (inches) Bontrager LT3
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF40 Levers Tektro V Brakes
Hubs for disc brakes	Rear: Formula FM31 Front: Formula FM21
Rims manufacturer	36-hole Bontrager 550
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Steel
Frame type	TIG-welded
Handlebar construction	Bontrager Approved Riser
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
Headset size	1 1/8 (inches) Threadless Semi Integrated

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth Hawk DX
Gear shift levers	Shimano EF40
Rear gear set	13 - 34 Teeth 7-speed

Trek 820 WSD Fork System Data

Derailleur (Front)	Shimano TX51
Derailleur (Rear)	Shimano TX31
Fork material	Single
Fork type	63 (millimeters) Travel SR Suntour M-2025

Other Specs of Trek 820 WSD

Component group sets	Shimano Mix
Pedals details	Wellgo Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Bontager SSR WSD
Seat post extension	31.6 (millimeters) Diameter Bontrager SSR