GT AGGRESSOR 1998 VS Rocky Mountain TRAILHEAD 2011 specs comparison

GT Aggressor

General Infos

Model	Aggressor
Manufacturer	GT
Year of production	1998
Current price	Check price Here ==>
Color choice	- orange -Black
Sizes	- 12.5 (inches) - 14.5 (inches) - 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches)
Sizes	- 12.5 (inches) - 14.5 (inches) - 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Knobby
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe DP-7 Levers Dia-Compe VC-757 Brakes
Hubs for disc brakes	Q and R Aluminum
Rims manufacturer	36-hole Weinmann 519
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Chromoly
Frame type	TIG-welded
Handlebar construction	Flat
Handlebar extender	Optional
Handlebar stem details	GT Hi-rise
Headset size	1 1/8 (inches) Sealed

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-UG50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano BB-LP27
Crankset parts and sizes	24/34/46 Teeth SR and Suntour XR25
Gear shift levers	Shimano Alivio RapidFire Plus
Rear gear set	11 - 28 Teeth 7-speed

GT Aggressor Fork System Data

Derailleur (Front)	Shimano Altus Top-swing
Derailleur (Rear)	Shimano Alivio
Fork material	Triple-clamp Crown Chromoly
Fork type	RST 261

Other Specs of GT Aggressor

Component group sets	Mountain Mix
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	GT
Seat post extension	26.8 (millimeters) Diameter Aluminum Micro-adjust

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