EPX HAMMERHEAD PRO 2003 VS Specialized ROCKHOPPER DISC 2008 specs comparison

EPX Hammerhead Pro

General Infos

Model	Hammerhead Pro
Manufacturer	EPX
Year of production	2003
Current price	Check price Here ==>
Color choice	-Yellow and Red
Sizes	- 15.5 (inches) - 18.5 (inches)
Sizes	- 15.5 (inches) - 18.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Michelin Jet S
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore XT RapidFire STI Levers Shimano XTR V-Brake Brakes
Hubs for disc brakes	Mavic Crossmax UST
Rims manufacturer	18-hole and 24-hole Mavic Crossmax UST
Spoke nipples type	Brass Nipples
Spoke wheel	Aero Mavic Zicral

Frame and Body Specs

Frame materials	Carbon Fiber Composite
Frame type	Bonded and monocoque
Handlebar construction	EPXtras Carbon
Handlebar extender	Optional
Handlebar stem details	EPXtras Carbon
Headset size	1 1/8 (inches) Integrated

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG73
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB-ES70
Crankset parts and sizes	Shimano Deore XT
Gear shift levers	Shimano Deore XT RapidFire STI
Rear gear set	13 - 32 Teeth 9-speed

EPX Hammerhead Pro Fork System Data

Derailleur (Front)	Shimano Deore XT
Derailleur (Rear)	Shimano XTR
Fork material	Single Crown Aluminum and magnesium
Fork type	Rock Shox Sid SL

Other Specs of EPX Hammerhead Pro

Component group sets	Mountain Mix
Pedals details	Crank Brothers Eggbeater
Rear shock absorber	Not Available
Saddle seat	Selle Italia SLR
Seat post extension	27.2 (millimeters) Diameter EPXtras Carbon

Specialized Rockhopper Disc

General Infos

Model	Rockhopper Disc
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	- black -White
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.0 (inches) Specialized Fast Trak LK Sport Wire
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid FR-5 Levers Avid BB-5 With 6 (inches) Rotor Brakes
Hubs for disc brakes	Specialized Hi-Lo Disc
Rims manufacturer	28-hole and 32-hole Specialized and Alex RHD 26
Spoke nipples type	Alloy Nipples
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	M4 Manipulated Alloy
Frame type	TIG-welded
Handlebar construction	Specialized Alloy XC Riser
Handlebar extender	Optional
Handlebar stem details	Specialized 3D Forged Alloy 31.8 (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	126 (millimeters) Spindle Shimano BB-ES25
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M341-8
Gear shift levers	Shimano Acera SL-MC40
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper Disc Fork System Data

Derailleur (Front)	Top Swing Shimano Altus FD-M310-6
Derailleur (Rear)	Shimano Alivio RD-M410
Fork material	Single Crown Crown Aluminum and steel and magnesium
Fork type	100 (millimeters) Travel RockShox Dart 3 SL

Other Specs of Specialized Rockhopper Disc

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