Trek SESSION 88 DH 2009 VS Specialized GROUND CONTROL AIM A1 PRO 1997 specs comparison

Trek Session 88 DH

General Infos

Model	Session 88 DH
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	-Black and Polished Aluminum
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.50 (inches) Bontrager Big Earl
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Juicy Elixir CR Levers Avid Juicy Elixir CR With 203 (millimeters) Rotor Front and Avid Juicy Elixir CR With 180 (millimeters) Rotor Rear Brakes
Hubs for disc brakes	Bontrager King Earl
Rims manufacturer	Bontrager King Earl
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha Red Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager King Earl
Handlebar extender	Optional
Handlebar stem details	Bontrager Big Earl
Headset size	1 1/8 (inches) - 1 1/2 (inches) Integrated Cane Creek Custom

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	83 (millimeters)
Bottom bracket type	Not Available
Crankset parts and sizes	38 Teeth Shimano Saint With MRP G2 Chainguide
Gear shift levers	Sram X.0
Rear gear set	12 - 26 Teeth 9-speed

Trek Session 88 DH Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	SRAM X.0
Fork material	Dual
Fork type	203 (millimeters) Travel Fox 40 RC2 Ti Coil

Other Specs of Trek Session 88 DH

Component group sets	Not Available
Pedals details	Bontrager King Earl Platform
Rear shock absorber	203 (millimeters) Travel Fox DHX 5.0 Coil
Saddle seat	Bontrager Big Earl
Seat post extension	Bontrager Big Earl

Specialized Ground Control AIM A1 Pro

General Infos

Model	Ground Control AIM A1 Pro
Manufacturer	Specialized
Year of production	1997
Current price	Check price Here ==>
Color choice	-Yellow and black
Sizes	- 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Specialized Team Master Kevlar Front: 26 X 2.00 (inches) Specialized Team Control Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore LX Levers Shimano Deore LX V-Brake Brakes
Hubs for disc brakes	Rear: Shimano Deore LX Front: SBC Aluminum Quick Release
Rims manufacturer	32-hole Mavic 220
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double Butted DT Stainless Steel

Frame and Body Specs

Frame materials	SBC A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	SBC Aluminum
Handlebar extender	Optional
Handlebar stem details	SBC Aluminum
Headset size	1 1/8 (inches) Threadless Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-40
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	SBC Sealed Cartridge
Crankset parts and sizes	22/32/42 Teeth SBC Son Of Strongarm
Gear shift levers	Shimano Deore LX RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

Specialized Ground Control AIM A1 Pro Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 35.0 (millimeters) Shimano Deore LX Top-swing
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Indy SL

Other Specs of Specialized Ground Control AIM A1 Pro

Component group sets	Shimano Deore LX
Pedals details	Ritchey Logic
Rear shock absorber	2.75 (inches) Travel Rock Shox Deluxe
Saddle seat	Specialized Prolong Evolution Carbotech
Seat post extension	27.2 (millimeters) Diameter Aluminum Micro-adjust