Trek SCRATCH AIR 8 2011 VS Rocky Mountain ALTITUDE 29 2010 specs comparison

Trek Scratch Air 8

General Infos

Model	Scratch Air 8
Manufacturer	Trek
Year of production	2011
Current price	Check price Here ==>
Color choice	-Matte Light Raw Tint
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.35 (inches) Bontrager XR4 Expert
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano SLX Levers Avid Elixir 5 Brakes
Hubs for disc brakes	Bontrager Cousin Earl Disc
Rims manufacturer	32-hole Bontrager Cousin Earl Disc
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alloy
Frame type	TIG-welded
Handlebar construction	Bontrager Rhythm Pro
Handlebar extender	Optional
Handlebar stem details	Bontrager Rhythm
Headset size	FSA No.57E

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	24/36 Teeth Race Face Ride
Gear shift levers	Shimano SLX
Rear gear set	11 - 36 Teeth 10-speed

Trek Scratch Air 8 Fork System Data

Derailleur (Front)	Shimano SLX
Derailleur (Rear)	Shimano SLX
Fork material	Single Crown Alloy
Fork type	160 (millimeters) Travel Fox 36 Float R

Other Specs of Trek Scratch Air 8

Component group sets	Shimano SLX
Pedals details	Optional
Rear shock absorber	170 (millimeters) Travel Fox Float RP-2
Saddle seat	Bontrager Evoke 2
Seat post extension	31.6 (millimeters) Diameter Bontrager Rhythm Elite

Rocky Mountain Altitude 29

General Infos

Model	Altitude 29
Manufacturer	Rocky Mountain
Year of production	2010
Current price	Check price Here ==>
Color choice	-Black
Sizes	- Small - Medium - Large - X-Large

Wheels And Breaking System

Bike front tire	29 (inches) Continental Mountain King
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Formula R1 Hydraulic Levers Formula R1 Carbon Disc With 180 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: Shimano M529 Disc Hub Front: Wheeltech Cartridge Disc 15 (millimeters) Axle
Rims manufacturer	Stans ZTR Arch
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Competition

Frame and Body Specs

Frame materials	RMB FORM 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Easton EA70 Flat 685 (millimeters)
Handlebar extender	Optional
Handlebar stem details	Easton EA70
Headset size	FSA Orbit Z1.5 Lower and FSA ZS-4D ACB Upper

Gearing Specifications

Bicycle chain	Shimano HG73
Bottom bracket shell width	Not Available
Bottom bracket type	Race Face Deus XC X-Type
Crankset parts and sizes	22/32/44 Teeth Race Face Deus X-Type
Gear shift levers	Shimano XT Rapid Fire
Rear gear set	12 - 36 Teeth 9-speed

Rocky Mountain Altitude 29 Fork System Data

Derailleur (Front)	DMD Shimano SLX
Derailleur (Rear)	Shimano XT
Fork material	Single Crown Magnesium and aluminum
Fork type	120 (millimeters) Travel Fox 32 F29 RL FIT With 15QR Thru Axle

Other Specs of Rocky Mountain Altitude 29

Component group sets	Mountain Mix
Pedals details	Shimano PD-M520
Rear shock absorber	115 (millimeters) Travel Fox Float RP23
Saddle seat	WTB Silverado Race
Seat post extension	30.9 (millimeters) Diameter Easton EA70