Jamis DAKOTA AL 1998 VS Rocky Mountain TRAILHEAD 2011 specs comparison

Jamis Dakota AL

General Infos

Model	Dakota AL
Manufacturer	Jamis
Year of production	1998
Current price	Check price Here ==>
Color choice	-Silver Flake
Sizes	- 12 (inches) - 14 (inches) - 17 (inches) - 19 (inches) - 21 (inches)
Sizes	- 12 (inches) - 14 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.20 (inches) WTB Primal Raptor Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid SD-3.0 Levers Avid 1D-30 Brakes
Hubs for disc brakes	Rear: Shimano Deore XT Front: Shimano Deore LX Suspension
Rims manufacturer	32-hole Sun Rims XC
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Double-butted Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Easton ProGram Elite Double-butted
Frame type	TIG-welded
Handlebar construction	Titec Enduro
Handlebar extender	Titec L-Bend
Handlebar stem details	Syncros Cattlehead
Headset size	1 1/8 (inches) Aheadset Kontak AL-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG70
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-UN52
Crankset parts and sizes	24/34/42 Teeth Shimano Deore LX
Gear shift levers	Grip Shift ESP 9.0SL
Rear gear set	11 - 30 Teeth 8-speed

Jamis Dakota AL Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano Deore XT Top-swing
Derailleur (Rear)	Grip Shift ESP 9.0SL
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	Answer Manitou SX-R

Other Specs of Jamis Dakota AL

Component group sets	Grip Shift ESP 9.0SL and Shimano Deore LX
Pedals details	Time ATAC Carbon
Rear shock absorber	Not Available
Saddle seat	Chromoly Rails SDG Ventura Comp
Seat post extension	26.8 (millimeters) Diameter Thomson Elite

Rocky Mountain Trailhead

General Infos

Model	Trailhead
Manufacturer	Rocky Mountain
Year of production	2011
Current price	Check price Here ==>
Color choice	-Silver and white
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.1'' Maxxis Crossmark
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano BR-M445 Levers Shimano BR-M445 Hydraulic Disc Brakes
Hubs for disc brakes	Shimano M475 Disc
Rims manufacturer	WTB Speed Disc XC
Spoke nipples type	Not Available
Spoke wheel	Stainless Stainless

Frame and Body Specs

Frame materials	6061 Double Butted Aluminum
Frame type	Aluminum
Handlebar construction	RMB Five 15 SL
Handlebar extender	Optional
Handlebar stem details	RMB L7
Headset size	Cane Creek A88

Gearing Specifications

Bicycle chain	Shimano HG-53
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano ES25 Octalink
Crankset parts and sizes	44/32/22t Teeth Shimano M430
Gear shift levers	Shimano Deore Rapid Fire
Rear gear set	11 - 32 Teeth 9-speed

Rocky Mountain Trailhead Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano SLX
Fork material	Not Available
Fork type	100 (millimeters) Travel RockShox Tora TK Coil

Other Specs of Rocky Mountain Trailhead

Component group sets	Shimano Mix
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	WTB Rocket V Comp
Seat post extension	27.2 (millimeters) Diameter RMB L2B