Rocky Mountain ALTITUDE 30 2011 VS Specialized BIGHIT GROM SPEC 2005 specs comparison

Rocky Mountain Altitude 30

General Infos

Model	Altitude 30
Manufacturer	Rocky Mountain
Year of production	2011
Current price	Check price Here ==>
Color choice	-White
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.1'' Maxxis Crossmark Front: 26 X 2.25'' Maxxis Ardent
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Juicy 3 Levers Avid Juicy 3 Disc Brakes
Hubs for disc brakes	Shimano M525 Disc
Rims manufacturer	DT Swiss 445D
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Competition

Frame and Body Specs

Frame materials	FORM 7005 Aluminum
Frame type	Aluminum
Handlebar construction	Easton Lo Rise
Handlebar extender	Optional
Handlebar stem details	Easton 6 Degrees
Headset size	FSa ZS-4D

Gearing Specifications

Bicycle chain	SRAM PC-951
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Deore Hollowtech II
Crankset parts and sizes	44/32/22t Teeth Shimano Deore
Gear shift levers	SRAM X.5 Trigger
Rear gear set	11 - 34 Teeth 9-speed

Rocky Mountain Altitude 30 Fork System Data

Derailleur (Front)	Shimano SLX
Derailleur (Rear)	SRAM X.7
Fork material	Not Available
Fork type	140 (millimeters) Travel RockShox Sektor RL Solo Air

Other Specs of Rocky Mountain Altitude 30

Component group sets	Mountain Mix
Pedals details	Not Available
Rear shock absorber	140 (millimeters) Travel Fox Float RL XV
Saddle seat	WTB Rocket V Comp
Seat post extension	30.9 (millimeters) Diameter Easton

Specialized Bighit Grom SPEC

General Infos

Model	Bighit Grom SPEC
Manufacturer	Specialized
Year of production	2005
Current price	Check price Here ==>
Color choice	-Red
Sizes	- Short

Wheels And Breaking System

Bike front tire	24 X 2.30 (inches) Specialized Roller
Bike rear tire	Not Available
Bike wheel size	24 (inches) Wheels
Brakeset type	Tektro Jr (inches)V (inches) Levers Hayes HMX-2 HD Front and Hayes HMX-2 CX Rear Brakes
Hubs for disc brakes	Nutted Aluminum
Rims manufacturer	36-hole Sun Rims Ditch Witch
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Aluminum
Handlebar extender	Not Available
Handlebar stem details	TruVativ Husselfelt
Headset size	1 1/8 (inches) Threadless Tank MX

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG31
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	118 (millimeters) Spindle TruVativ Hussefelt
Crankset parts and sizes	38 Teeth TruVativ Hussefelt
Gear shift levers	Shimano Alivio
Rear gear set	11 - 32 Teeth 8-speed

Specialized Bighit Grom SPEC Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano Alivio
Fork material	Dual Crown Aluminum and magnesium
Fork type	100 (millimeters) Marzocchi MZ Comp

Other Specs of Specialized Bighit Grom SPEC

Component group sets	Downhill Mix
Pedals details	Aluminum Platform
Rear shock absorber	125 (millimeters) Damped Coil-over
Saddle seat	Specialized Jumping
Seat post extension	30.9 (millimeters) Diameter Aluminum Micro-adjust