Rocky Mountain TRAILHEAD 2003 VS Niner S.I.R. (X-9 KIT) 2007 specs comparison

Rocky Mountain Trailhead

General Infos

Model	Trailhead
Manufacturer	Rocky Mountain
Year of production	2003
Current price	Check price Here ==>
Color choice	-Near Chrome and Zoom Yellow
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Maxxis MOFO XC
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore Levers Shimano BR-420 Brakes
Hubs for disc brakes	Shimano Alivio
Rims manufacturer	32-hole Alex Ace 19
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	Rocky Mountain XC Riser
Handlebar extender	Optional
Handlebar stem details	RMB
Headset size	1 1/8 (inches) Threadless Ritchey

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) SRAM PC-48
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-UN25
Crankset parts and sizes	22/32/42 Teeth Shimano FC-M440
Gear shift levers	Shimano Deore Rapidfire Plus
Rear gear set	11 - 32 Teeth 9-speed

Rocky Mountain Trailhead Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano Alivio
Derailleur (Rear)	Shimano Deore SGS
Fork material	Single Crown Aluminum and magnesium
Fork type	100 (millimeters) Travel Rock Shox Pilot C

Other Specs of Rocky Mountain Trailhead

Component group sets	Mountain Mix
Pedals details	Big Flats
Rear shock absorber	Not Available
Saddle seat	RMB Custom
Seat post extension	26.8 (millimeters) Diameter RMB

Niner S.I.R. (X-9 kit)

General Infos

Model	S.I.R. (X-9 kit)
Manufacturer	Niner
Year of production	2007
Current price	Check price Here ==>
Color choice	- Godzilla Green - Hot Tamale - Kermit Green -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	Rear: WTB Laser Disc Lite Front: WTB LaserDisc Lite
Rims manufacturer	WTB SpeedDisc All Mountain
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Reynolds 853 Chromoly
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 S.I.R. (X-9 kit) Fork System Data

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

Other Specs of Niner S.I.R. (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	27.2 (millimeters) Diameter WTB TXC Alloy