Specialized HARDROCK SPORT DISC 29 2011 VS Specialized P GROM 2009 specs comparison

Specialized Hardrock Sport Disc 29

General Infos

Model	Hardrock Sport Disc 29
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	- Wht and Brn -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 Avid BB5 Mechanical Disc Brakes
Hubs for disc brakes	Rear: Forged Alloy Mid Flange Front: Forged Alloy Hi and low Flange
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	Alloy Rise
Handlebar extender	Optional
Handlebar stem details	3D Forged Alloy
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC X8
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Shimano BB ES25 Octalink
Crankset parts and sizes	22/32/42 Teeth SR Suntour
Gear shift levers	SRAM X.4
Rear gear set	11 - 32 Teeth 8-speed

Specialized Hardrock Sport 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 Sport 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

Specialized P Grom

General Infos

Model	P Grom
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss Teal
Sizes	- Small

Wheels And Breaking System

Bike front tire	24 X 2.20 (inches) Specialized Rhythm Lite Control
Bike rear tire	Not Available
Bike wheel size	24 (inches) Wheels
Brakeset type	Avid FR-5 Levers Avid BB5 With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Specialized Hi Lo Disc
Rims manufacturer	36-hole Specialized P-Disc AM
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless Steel

Frame and Body Specs

Frame materials	Chromoly
Frame type	TIG-welded
Handlebar construction	Specialized Alloy Riser
Handlebar extender	Optional
Handlebar stem details	Specialized Aggro
Headset size	1 1/8 (inches) Tank FX

Gearing Specifications

Bicycle chain	KMC X8
Bottom bracket shell width	Not Available
Bottom bracket type	Fuse Euro
Crankset parts and sizes	34 Teeth Fuse Tubular Cr-Mo With Bashguard
Gear shift levers	SRAM X.4 Trigger
Rear gear set	11 - 28 Teeth 8-speed

Specialized P Grom Fork System Data

Derailleur (Front)	Chain Retention Device Specialized Chain Guide
Derailleur (Rear)	SRAM X.5
Fork material	Single Crown Chromoly and magnesium
Fork type	80 (millimeters) Travel Marzocchi DJ3

Other Specs of Specialized P Grom

Component group sets	Mountain Mix
Pedals details	Specialized Alloy
Rear shock absorber	Not Available
Saddle seat	Specialized Fuse Lo Pro
Seat post extension	30.9 (millimeters) Diameter Micro Adjust Specialized Alloy Two Bolt