Trek 820 2010 VS Specialized ROCKHOPPER RH 2006 specs comparison

Trek 820

General Infos

Model	820
Manufacturer	Trek
Year of production	2010
Current price	Check price Here ==>
Color choice	-Gloss Black
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Bontrager LT-3
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-40 Levers Tektro V Brakes
Hubs for disc brakes	Formula FM-31 Alloy
Rims manufacturer	Bontrager 550
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Trek Custom Steel With CroMoly Seat Tube
Frame type	TIG-welded
Handlebar construction	Bontrager Approved Riser
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
Headset size	1 1/8 (inches) Threadless VP-A71-TK Steel

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	48/38/28 Teeth Hawk DX
Gear shift levers	Shimano EF-40
Rear gear set	13 - 34 Teeth 7-speed

Trek 820 Fork System Data

Derailleur (Front)	Shimano C051
Derailleur (Rear)	Shimano TX31
Fork material	Single Crown
Fork type	63 (millimeters) Travel SR Suntour M-2025

Other Specs of Trek 820

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

Specialized Rockhopper RH

General Infos

Model	Rockhopper RH
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)

Wheels And Breaking System

Bike front tire	Wire Bead 26 X 2.00 (inches) Specialized Adrenaline Sport (inches)
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Tektro RS-360 Levers Linear Spring Stainless Steel Pipe Brakes Tektro (inches)V (inches)
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole SUN CR-18
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) Rise 6 Degree Upsweep 640 (millimeters) Width 8 Degree Sweep Alloy
Handlebar extender	Optional
Handlebar stem details	Alloy Ahead 2 Bolt Clamp
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 44t 7075 Aluminum Teeth Truvative ISO-Flow With Alloy Outer
Gear shift levers	8-speed SRAM SX-4 Trigger
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper RH Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Bottom Pull Top Mount SRAM 3.0
Derailleur (Rear)	Mid Cage SRAM SX-5
Fork material	Single Crown Aluminum and steel
Fork type	100 (millimeters) Rock Shox J3 SL

Other Specs of Specialized Rockhopper RH

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