Trek 820 WSD 2011 VS Niner AIR 9 (X-9 KIT) 2007 specs comparison

Trek 820 WSD

General Infos

Model	820 WSD
Manufacturer	Trek
Year of production	2011
Current price	Check price Here ==>
Color choice	-Crystal Pearl White
Sizes	- Womens 13 (inches) - womens 16 (inches) - womens 19.5 (inches)
Sizes	- Womens 13 (inches) - womens 16 (inches) - womens 19.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.0 (inches) Bontrager LT3
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF40 Levers Tektro V Brakes
Hubs for disc brakes	Rear: Formula FM31 Front: Formula FM21
Rims manufacturer	36-hole Bontrager 550
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Steel
Frame type	TIG-welded
Handlebar construction	Bontrager Approved Riser
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
Headset size	1 1/8 (inches) Threadless Semi Integrated

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth Hawk DX
Gear shift levers	Shimano EF40
Rear gear set	13 - 34 Teeth 7-speed

Trek 820 WSD Fork System Data

Derailleur (Front)	Shimano TX51
Derailleur (Rear)	Shimano TX31
Fork material	Single
Fork type	63 (millimeters) Travel SR Suntour M-2025

Other Specs of Trek 820 WSD

Component group sets	Shimano Mix
Pedals details	Wellgo Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Bontager SSR WSD
Seat post extension	31.6 (millimeters) Diameter Bontrager SSR

Niner Air 9 (X-9 kit)

General Infos

Model	Air 9 (X-9 kit)
Manufacturer	Niner
Year of production	2007
Current price	Check price Here ==>
Color choice	- Raw -Tang
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	29 X 2.10 (inches) WTB Nanoraptor Race
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid Juicy 7 Levers Avid Juicy 7 With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	WTB Laser Disc Lite
Rims manufacturer	WTB Speed Disc All-Mountain
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Easton Scandium GX2
Frame type	TIG-welded
Handlebar construction	Niner Flat Top 9
Handlebar extender	Not Available
Handlebar stem details	Race Face Evolve XC
Headset size	Cane Creek S-3

Gearing Specifications

Bicycle chain	SRAM PC-951
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	Race Face Evolve XC
Gear shift levers	SRAM X.9 Trigger
Rear gear set	Not Available

Niner Air 9 (X-9 kit) Fork System Data

Derailleur (Front)	Shimano LX M-571
Derailleur (Rear)	SRAM X.9 Med. Cage
Fork material	Single Crown Aluminum and steel and magnesium
Fork type	80 (millimeters) Travel RockShox Reba SL

Other Specs of Niner Air 9 (X-9 kit)

Component group sets	SRAM X.9/mix
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	WTB Niner Silverado With Cromo Rails
Seat post extension	WTB TXC Alloy