Specialized HARDROCK SPORT DISC 2005 VS Trek 820 2011 specs comparison

Specialized Hardrock Sport Disc

General Infos

Model	Hardrock Sport Disc
Manufacturer	Specialized
Year of production	2005
Current price	🛒 View Price →
Color choice	- Green - Silver -Blue
Sizes	- Extra small - Small - Medium - Large - Extra large
Sizes	- Extra small - Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	26 X 2.20 (inches) Specialized Enduro Sport
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Altus Levers Tektro IO Disc Brakes
Hubs for disc brakes	Joytech QR
Rims manufacturer	36-hole Alex DH-20
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Aluminum
Handlebar extender	Not Available
Handlebar stem details	Specialized Mobius
Headset size	1 1/8 (inches) Threadless Sealed Cartridge

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 TruVativ
Crankset parts and sizes	22/32/42 Teeth TruVativ X-Flow
Gear shift levers	Shimano Altus
Rear gear set	11 - 32 Teeth 8-speed

Specialized Hardrock Sport Disc Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Acera
Derailleur (Rear)	Shimano Acera
Fork material	Single Crown Aluminum and magnesium
Fork type	100 (millimeters) RST Gila Plus

Other Specs of Specialized Hardrock Sport Disc

Component group sets	Mountain Mix
Pedals details	Steel Cage
Rear shock absorber	Not Available
Saddle seat	Specialized BG Sport ATB
Seat post extension	30.9 (millimeters) Diameter Aluminum Micro-adjust

Trek 820

General Infos

Model	820
Manufacturer	Trek
Year of production	2011
Current price	🛒 View Price →
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