Specialized STUMPJUMPER COMP 29ER 2009 VS Specialized GROMROCK 2008 specs comparison

Specialized Stumpjumper Comp 29er

General Infos

Model	Stumpjumper Comp 29er
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss Silver and Black
Sizes	- 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.00 (inches) Specialized S-Works Fast Trak LK
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid Elixir R SL Levers Avid Elixir R SL With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: Shimano M525 SL Disc Front: Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole DT Swiss X470
Spoke nipples type	Alloy
Spoke wheel	15ga. DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	Specialized M5 ORE Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized XC Flat Alloy
Handlebar extender	Optional
Handlebar stem details	Specialized Adjustable
Headset size	1 1/8 (inches) Cartridge

Gearing Specifications

Bicycle chain	SRAM PC-971
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano FC-M542
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M542
Gear shift levers	SRAM X.7
Rear gear set	11 - 34 Teeth 9-speed

Specialized Stumpjumper Comp 29er Fork System Data

Derailleur (Front)	Shimano SLX
Derailleur (Rear)	SRAM X.9
Fork material	Single Crown Magnesium and aluminum
Fork type	80 (millimeters) Travel RockShox Reba SL 29er

Other Specs of Specialized Stumpjumper Comp 29er

Component group sets	SRAM Mix
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Specialized BG Phenom
Seat post extension	30.9 (millimeters) Diameter 2014 Butted Alloy

Specialized Gromrock

General Infos

Model	Gromrock
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	-Charcoal and black
Sizes	- 12.5 (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	Tektro Jr. Levers Tektro IOX With 6 (inches) Rotor Brakes
Hubs for disc brakes	Specialized Hi-Lo Disc
Rims manufacturer	32-hole Specialized and Alex HRD 24
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	SRAM 3.0 Comp Grip Shift
Rear gear set	11 - 32 Teeth 8-speed

Specialized Gromrock Fork System Data

Derailleur (Front)	Top Swing Shimano Altus FD-M310-6
Derailleur (Rear)	SRAM 3.0
Fork material	Single Crown Crown Aluminum and steel
Fork type	80 (millimeters) Travel SR Suntour SF7-XCM

Other Specs of Specialized Gromrock

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