Specialized ROCKHOPPER PRO 2009 VS Trek 820 2003 specs comparison

Specialized Rockhopper Pro

General Infos

Model	Rockhopper Pro
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss Metallic Orange
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
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 Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Juicy 3 SL Levers Avid Juicy 3 SL With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: Specialized Disc Front: Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole DT Swiss 445D
Spoke nipples type	Not Available
Spoke wheel	15ga. Stainless Steel

Frame and Body Specs

Frame materials	Specialized M4 ORE Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Low Riser
Handlebar extender	Optional
Handlebar stem details	Specialized 3D
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC X9 SL
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Shimano BB-ES25
Crankset parts and sizes	22/32/44 Teeth Shimano Deore
Gear shift levers	SRAM X.5 Trigger
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Pro Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	SRAM X.7
Fork material	Single Crown Alloy
Fork type	100 (millimeters) Travel RockShox Recon SLite

Other Specs of Specialized Rockhopper Pro

Component group sets	SRAM Mix
Pedals details	Alloy Cage
Rear shock absorber	Not Available
Saddle seat	Specialized BG Indie XC
Seat post extension	30.9 (millimeters) Diameter Specialized Alloy Two Bolt

Trek 820

General Infos

Model	820
Manufacturer	Trek
Year of production	2003
Current price	Check price Here ==>
Color choice	- Black Chrome - Metallic Purple -Baja Blue and Shine Silver
Sizes	- 13 (inches) - 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Bontrager Connection
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-29 Levers Aluminum Linear-pull Brakes
Hubs for disc brakes	Q and R Aluminum
Rims manufacturer	32-hole Matrix 550
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	1.25 (inches) Rise Aluminum
Handlebar extender	Optional
Handlebar stem details	Aluminum Threadless
Headset size	1 1/8 (inches) Threadless Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Union 600
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth Suntour XCC-100
Gear shift levers	Shimano Altus EF-29
Rear gear set	13 - 30 Teeth 7-speed

Trek 820 Fork System Data

Derailleur (Front)	Shimano C051
Derailleur (Rear)	Shimano Altus
Fork material	Single Crown Aluminum
Fork type	63 (millimeters) Travel RST 191 CL

Other Specs of Trek 820

Component group sets	Mountain Mix
Pedals details	Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Trek ATB
Seat post extension	Aluminum Micro-adjust