GT ZUM 3.0 2007 VS Specialized ROCKHOPPER PRO DISC 2006 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 Rockhopper Pro Disc

General Infos

Model	Rockhopper Pro Disc
Manufacturer	Specialized
Year of production	2006
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	60TPI Aramid Bead Dual Compound 26 X 2.00 (inches) Specialized Adrenaline Sport
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid FR-5 Levers Mechanical Disc With 6 (inches) Roundagon Rotor Brakes Avid BB-5
Hubs for disc brakes	Rear: Shimano 475 Disc Machined Disc Mount Hi-low Flange Front: Specialized Disc
Rims manufacturer	32-hole SUN DS2 Disc
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	25 (millimeters) XC Rise 6 Degree Upsweep 620 (millimeters) 8 Degree Sweep Double Butted Alloy
Handlebar extender	Optional
Handlebar stem details	TIG Welded Alloy 7 Degree Rise
Headset size	Sealed Ball Retainer 1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	SRAM PC-951 With Power Link
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ GXP
Crankset parts and sizes	22/32 Heat Treated Cro-Mo and 44 7075 Aluminum Teeth External BB With Alloy Outer Ring Truvativ Fire-X GXB
Gear shift levers	9-speed Shimano SL Deore
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Pro Disc Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Bottom Pull Top Swing Shimano Deore
Derailleur (Rear)	Long Cage Standard Spring Shimano Deore XT
Fork material	Single Crown Magnesium and aluminum and steel
Fork type	100 (millimeters) RockShox Recon 351SL

Other Specs of Specialized Rockhopper Pro Disc

Component group sets	Mountain Mix
Pedals details	Alloy 1 Piece Body And Cage
Rear shock absorber	Not Available
Saddle seat	Semi Light Foam Specialized Body Geometry Sport MTB
Seat post extension	Alloy Micro-adjust