Specialized HARDROCK DISC 29 2011 VS GT ZUM 2.0 2007 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

GT ZuM 2.0

General Infos

Model	ZuM 2.0
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	Shimano Deore Levers Avid BB 5 Mechanical Brakes
Hubs for disc brakes	Alex Vectra D5
Rims manufacturer	24-hole and 28-hole CNC With Eyelets
Spoke nipples type	Not Available
Spoke wheel	Black

Frame and Body Specs

Frame materials	ZuM 6061 Butted Aluminum
Frame type	TIG-welded
Handlebar construction	Truvativ XR
Handlebar extender	Not Available
Handlebar stem details	TruVativ XR
Headset size	FSA Integrated

Gearing Specifications

Bicycle chain	Shimano
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ Power Spline
Crankset parts and sizes	34/50 Teeth TruVativ Touro
Gear shift levers	Shimano Deore
Rear gear set	12 - 25 Teeth 9-speed

GT ZuM 2.0 Fork System Data

Derailleur (Front)	Shimano Compact
Derailleur (Rear)	Shimano Deore LX
Fork material	Unicrown Crown Aluminum and magnesium
Fork type	75 (millimeters) Travel SR NRX-8100

Other Specs of GT ZuM 2.0

Component group sets	Mountain Mix
Pedals details	Alloy Platform
Rear shock absorber	Not Available
Saddle seat	SDG Bel Air
Seat post extension	GT Aluminum 6061