Trek SESSION 88 DH 2009 VS Rocky Mountain ALTITUDE 29 2011 specs comparison

Trek Session 88 DH

General Infos

Model	Session 88 DH
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	-Black and Polished Aluminum
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.50 (inches) Bontrager Big Earl
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Juicy Elixir CR Levers Avid Juicy Elixir CR With 203 (millimeters) Rotor Front and Avid Juicy Elixir CR With 180 (millimeters) Rotor Rear Brakes
Hubs for disc brakes	Bontrager King Earl
Rims manufacturer	Bontrager King Earl
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha Red Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager King Earl
Handlebar extender	Optional
Handlebar stem details	Bontrager Big Earl
Headset size	1 1/8 (inches) - 1 1/2 (inches) Integrated Cane Creek Custom

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	83 (millimeters)
Bottom bracket type	Not Available
Crankset parts and sizes	38 Teeth Shimano Saint With MRP G2 Chainguide
Gear shift levers	Sram X.0
Rear gear set	12 - 26 Teeth 9-speed

Trek Session 88 DH Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	SRAM X.0
Fork material	Dual
Fork type	203 (millimeters) Travel Fox 40 RC2 Ti Coil

Other Specs of Trek Session 88 DH

Component group sets	Not Available
Pedals details	Bontrager King Earl Platform
Rear shock absorber	203 (millimeters) Travel Fox DHX 5.0 Coil
Saddle seat	Bontrager Big Earl
Seat post extension	Bontrager Big Earl

Rocky Mountain Altitude 29

General Infos

Model	Altitude 29
Manufacturer	Rocky Mountain
Year of production	2011
Current price	Check price Here ==>
Color choice	-White
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	Rear: 29 X 2.25 (inches) Maxxis Ardent Front: 29 X 2.4 (inches) Maxxis Ardent
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Shimano BL-M505 Levers Shimano BR-M445 Hydraulic Disc Brakes
Hubs for disc brakes	Rear: Shimano M529 Front: Wheeltech XC Sealed
Rims manufacturer	WTB Speed Disc
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Champion

Frame and Body Specs

Frame materials	FORM 7005 Aluminum
Frame type	Aluminum
Handlebar construction	RMB Zero 5
Handlebar extender	Optional
Handlebar stem details	RMB L7
Headset size	FSA Orbit Z1.5 Lower and FSA ZS-4D ACB Upper

Gearing Specifications

Bicycle chain	Shimano HG53
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Deore Hollowtech II
Crankset parts and sizes	44/32/22t Teeth Shimano FC-M590
Gear shift levers	Shimano Deore Rapid Fire
Rear gear set	12 - 36 Teeth 9-speed

Rocky Mountain Altitude 29 Fork System Data

Derailleur (Front)	Direct Mount Shimano SLX
Derailleur (Rear)	Shimano SLX
Fork material	Not Available
Fork type	120 (millimeters) Travel RockShox Reba RL 29

Other Specs of Rocky Mountain Altitude 29

Component group sets	Shimano Mix
Pedals details	Shimano PD-M505
Rear shock absorber	115 (millimeters) Travel Fox Float R
Saddle seat	WTB Rocket V Comp
Seat post extension	30.9 (millimeters) Diameter RMB L2B