Specialized ROCKHOPPER PRO DISC 2004 VS Felt Q620 2009 specs comparison

Specialized Rockhopper Pro Disc

General Infos

Model	Rockhopper Pro Disc
Manufacturer	Specialized
Year of production	2004
Current price	Check price Here ==>
Color choice	-Red
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Specialized Roll-X
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano BR-420 Levers Shimano BR-M515 Mechanical Disc Brakes
Hubs for disc brakes	Rear: Shimano HB-M475 Disc Front: Specialized Disc
Rims manufacturer	32-hole Mavic XM 117 Disc
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Aluminum
Handlebar extender	Optional
Handlebar stem details	Specialized Aluminum
Headset size	1 1/8 (inches) Threadless Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG73
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Shimano BB-ES30
Crankset parts and sizes	22/32/44 Teeth Specialized Forearm II
Gear shift levers	Shimano Deore RapidFire SL
Rear gear set	11 - 32 Teeth 9-speed

Specialized Rockhopper Pro Disc Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 34.9 (millimeters) Shimano Deore
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Single Crown Aluminum
Fork type	80 (millimeters) Travel Answer Manitou Axel Elite

Other Specs of Specialized Rockhopper Pro Disc

Component group sets	Mountain Mix
Pedals details	Shimano PD-M505 SPD
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Pro
Seat post extension	30.9 (millimeters) Diameter Aluminum

Felt Q620

General Infos

Model	Q620
Manufacturer	Felt
Year of production	2009
Current price	Check price Here ==>
Color choice	-Cola
Sizes	- 13.5 (inches) - 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Felt THC XC
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Auriga Hydraulic Levers Tektro Auriga Comp With 180 (millimeters) Rotor Front and Tektro Auriga Comp With 160 (millimeters) Rotor Rear Brakes
Hubs for disc brakes	Rear: Shimano M475 Disc Front: Aluminum Disc
Rims manufacturer	32-hole Alex TD-24
Spoke nipples type	Brass
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	6061 Double Butted Aluminum
Frame type	TIG-welded
Handlebar construction	Aluminum Riser
Handlebar extender	Optional
Handlebar stem details	Felt Melt Forged 1 Pc.
Headset size	1 1/8 (inches) Semi Integrated

Gearing Specifications

Bicycle chain	KMC Z7
Bottom bracket shell width	Not Available
Bottom bracket type	Cartridge
Crankset parts and sizes	24/34/42 Teeth Shimano FC-M311-L
Gear shift levers	Shimano Alivio Rapid Fire
Rear gear set	11 - 32 Teeth 8-speed

Felt Q620 Fork System Data

Derailleur (Front)	Shimano Alivio
Derailleur (Rear)	Shimano Deore
Fork material	Single
Fork type	100 (millimeters) Travel RockShox Dart 2 With Lockout

Other Specs of Felt Q620

Component group sets	Shimano Alivio
Pedals details	MTB Steel Cage and PP Body
Rear shock absorber	Not Available
Saddle seat	Felt RXC Comfort
Seat post extension	27.2 (millimeters) Diameter FELT Alloy Micro Adjust