Specialized HARDROCK DISC 29 2011 VS Trek 820 2000 specs comparison

Specialized Hardrock Disc 29

General Infos

Model	Hardrock Disc 29
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	- Gry -Blu and Blk
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.0 (inches) Specialized Fast Track LK Sport
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Alloy Levers Tektro IO Mechanical Disc Brakes
Hubs for disc brakes	Forged Alloy
Rims manufacturer	36-hole Alex RHD 29 (inches)
Spoke nipples type	Not Available
Spoke wheel	14ga. Butted Stainless

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Riserbar
Handlebar extender	Optional
Handlebar stem details	Alloy
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC Z7
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	22/32/42 Teeth SR Suntour
Gear shift levers	SRAM X.3 Trigger
Rear gear set	11 - 32 Teeth 7-speed

Specialized Hardrock Disc 29 Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Shimano Atlus
Derailleur (Rear)	SRAM X.4
Fork material	Single
Fork type	80 (millimeters) SR Suntour SF11

Other Specs of Specialized Hardrock Disc 29

Component group sets	Mountain Mix
Pedals details	Composite Platform
Rear shock absorber	Not Available
Saddle seat	Specialized XC
Seat post extension	30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust

Trek 820

General Infos

Model	820
Manufacturer	Trek
Year of production	2000
Current price	Check price Here ==>
Color choice	- Rainforest -Gloss Black and Bright Silver
Sizes	- Extra small - Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Multi-terrain
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Linear-pull Levers Aluminum Linear-pull Brakes
Hubs for disc brakes	Alloy
Rims manufacturer	36-hole Alloy
Spoke nipples type	Not Available
Spoke wheel	2.0 (millimeters) Stainless Steel

Frame and Body Specs

Frame materials	Butted Chromoly
Frame type	TIG-welded
Handlebar construction	Alloy
Handlebar extender	Optional
Handlebar stem details	Alloy
Headset size	Aheadset SE-1

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 Shimano Altus C90
Gear shift levers	Shimano Acera EZ Fire Plus
Rear gear set	11 - 28 Teeth 7-speed

Trek 820 Fork System Data

Derailleur (Front)	Shimano Altus C90 Top-swing
Derailleur (Rear)	Shimano Acera
Fork material	Triple-clamp
Fork type	2.5 (inches) Travel Sync 288

Other Specs of Trek 820

Component group sets	Mountain Mix
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Oasis Supersoft
Seat post extension	Alloy