Specialized HARDROCK DISC 2010 VS GT ZUM 3.0 2007 specs comparison

Specialized Hardrock Disc

General Infos

Model	Hardrock Disc
Manufacturer	Specialized
Year of production	2010
Current price	Check price Here ==>
Color choice	- Navy - Silver -Black
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 Sport
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Alloy Linear Levers Tektro Novela With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Forged Alloy
Rims manufacturer	32-hole Alex HRD
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Hi-Ten Riser
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 VP-BC73T
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 Fork System Data

Derailleur (Front)	Shimano Altus
Derailleur (Rear)	SRAM X.4
Fork material	Single Crown Hi-tensile Steel and alloy
Fork type	80 (millimeters) Travel SR Suntour SF8-XCT-V2

Other Specs of Specialized Hardrock Disc

Component group sets	SRAM X.3/mix
Pedals details	Composite
Rear shock absorber	Not Available
Saddle seat	Specialized XC Body Geometry
Seat post extension	30.9 (millimeters) Diameter Alloy Micro Adjust

GT ZuM 3.0

General Infos

Model	ZuM 3.0
Manufacturer	GT
Year of production	2007
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	26 X 1.50 (inches) Tioga City Slicker
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid FR-5 Levers Shimano Cold Forged Brakes
Hubs for disc brakes	Shimano
Rims manufacturer	Alex DC-19
Spoke nipples type	Alloy
Spoke wheel	Stainless Steel

Frame and Body Specs

Frame materials	ZuM 6061 Butted Aluminum
Frame type	TIG-welded
Handlebar construction	6061 Heat Treated GT Mtn Riser
Handlebar extender	Not Available
Handlebar stem details	GT ATB
Headset size	FSA Integrated

Gearing Specifications

Bicycle chain	Shimano
Bottom bracket shell width	Not Available
Bottom bracket type	Truvativ Sealed Cartridge
Crankset parts and sizes	26/36/48 Teeth Truvativ 5-D
Gear shift levers	Shimano Deore
Rear gear set	11 - 34 Teeth 9-speed

GT ZuM 3.0 Fork System Data

Derailleur (Front)	Shimano Alivio
Derailleur (Rear)	Shimano Deore
Fork material	Unicrown Crown Aluminum and magnesium
Fork type	60 (millimeters) Travel SR NRX-4500

Other Specs of GT ZuM 3.0

Component group sets	Mountain Mix
Pedals details	Stainless Steel Cage Lo Profile Pedal Alloy Body
Rear shock absorber	Not Available
Saddle seat	WTB Speed V
Seat post extension	GT Aluminum 6061