GT ZUM 3.0 2007 VS Specialized HARDROCK COMP DISC 2008 specs comparison

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
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

Specialized Hardrock Comp Disc

General Infos

Model	Hardrock Comp Disc
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	- green and black - silver -Orange and brown
Sizes	- 12 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.1 (inches) Specialized Resolution Wire
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 Levers Avid BB-5 With 6 (inches) Rotor Brakes
Hubs for disc brakes	Specialized Hi-Lo Disc
Rims manufacturer	32-hole Specialized and Alex HRD 26
Spoke nipples type	Not Available
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Alloy Riser
Handlebar extender	Optional
Handlebar stem details	Specialized 3D Forged Alloy 25.4 (millimeters)
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMX X8
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Shimano BB-ES25
Crankset parts and sizes	22/32/44 Teeth SR Suntour XCM-T312
Gear shift levers	Shimano EF-50
Rear gear set	11 - 32 Teeth 8-speed

Specialized Hardrock Comp Disc Fork System Data

Derailleur (Front)	Top Swing Shimano Altus FD-M310-6
Derailleur (Rear)	Shimano Acera RD-M340
Fork material	Single Crown Crown Aluminum and steel
Fork type	80/100 (millimeters) Travel SR Suntour SF7-XCM

Other Specs of Specialized Hardrock Comp Disc

Component group sets	Mountain Mix
Pedals details	Steel Cage and composite Body
Rear shock absorber	Not Available
Saddle seat	Specialized Aggro With Kevlar Sides
Seat post extension	30.9 (millimeters) Diameter Specialized Alloy Two Bolt