Specialized HARDROCK CR-MO 2003 VS Trek 820 2011 specs comparison

Specialized Hardrock Cr-Mo

General Infos

Model	Hardrock Cr-Mo
Manufacturer	Specialized
Year of production	2003
Current price	Check price Here ==>
Color choice	-Charcoal
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 15 (inches) - womens 18 (inches)
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 15 (inches) - womens 18 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Specialized Ground Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro 273A Levers Tektro 832AL Brakes
Hubs for disc brakes	Q and R Joy Tech Aluminum
Rims manufacturer	32-hole Alex Z-1000
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Chromoly Main Triangle and hi-ten Steel Stays
Frame type	TIG-welded
Handlebar construction	Specialized Aluminum
Handlebar extender	Optional
Handlebar stem details	Aluminum Threadless
Headset size	1 1/8 (inches) Threadless Specialized Loose Ball

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG31
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	28/38/48 Teeth Shimano FC-C051
Gear shift levers	Shimano Revo RS-41A
Rear gear set	14 - 28 Teeth 7-speed Freewheel

Specialized Hardrock Cr-Mo Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano C051
Derailleur (Rear)	Shimano Altus
Fork material	Single Crown Aluminum
Fork type	80 (millimeters) Travel RST Capa CL

Other Specs of Specialized Hardrock Cr-Mo

Component group sets	Mountain Mix
Pedals details	Specialized Platform
Rear shock absorber	Not Available
Saddle seat	Specialized Sport ATB
Seat post extension	30.4 (millimeters) Diameter Specialized Aluminum

Trek 820

General Infos

Model	820
Manufacturer	Trek
Year of production	2011
Current price	Check price Here ==>
Color choice	-Gloss Black
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.0 (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 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

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