Trek SESSION 77 2005 VS ProFlex 957 1997 specs comparison

Trek Session 77

General Infos

Model	Session 77
Manufacturer	Trek
Year of production	2005
Current price	Check price Here ==>
Color choice	-Black
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.50 (inches) Bontrager Big Earl Front: 26 X 2.70 (inches) Bontrager Big Earl
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Hayes HFX-Mag Levers Hayes HFX-Mag Brakes
Hubs for disc brakes	Bontrager Big Earl
Rims manufacturer	Bontrager Big Earl
Spoke nipples type	Not Available
Spoke wheel	Stainless Steel

Frame and Body Specs

Frame materials	ZR 9000 Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Big Earl
Handlebar extender	Optional
Handlebar stem details	Bontrager Big Earl
Headset size	Not Available

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32 Teeth Shimano Saint
Gear shift levers	SRAM X-9 Trigger
Rear gear set	11 - 34 Teeth 9-speed

Trek Session 77 Fork System Data

Derailleur (Front)	Shimano Deore XT
Derailleur (Rear)	SRAM X-9
Fork material	Single Crown Aluminum
Fork type	170 (millimeters) Manitou Sherman Breakout Plus

Other Specs of Trek Session 77

Component group sets	Mountain Mix
Pedals details	Aluminum Platform
Rear shock absorber	170 (millimeters) Manitou Swinger 4-Way Coil
Saddle seat	Bontrager Big Earl
Seat post extension	Bontrager Big Earl

ProFlex 957

General Infos

Model	957
Manufacturer	ProFlex
Year of production	1997
Current price	Check price Here ==>
Color choice	-Brushed
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Michelin Wild Gripper Lite-S Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Altek V Levers Shimano Deore XT V-Brake Brakes
Hubs for disc brakes	Rear: Shimano Deore XT Front: Hersey Naked
Rims manufacturer	32-hole Mavic 220S
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double Butted Wheelsmith XL-15 Stainless Steel

Frame and Body Specs

Frame materials	Easton ProGram Elite Double-butted With Carbon Fiber Swingarm
Frame type	TIG-welded
Handlebar construction	Aluminum Easton
Handlebar extender	Control Tech Stix Team Issue
Handlebar stem details	Control Tech
Headset size	1 1/8 (inches) Threadless Dia-Compe Kontak Aheadset DL-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-40
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	115 (millimeters) Spindle Shimano BB-UN72
Crankset parts and sizes	22/32/44 Teeth Kooka
Gear shift levers	Grip Shift ESP 900
Rear gear set	11 - 30 Teeth 8-speed

ProFlex 957 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Deore XT Top-swing
Derailleur (Rear)	Grip Shift ESP 9.0
Fork material	Double Triple-clamp Crown Easton Carbon Fiber
Fork type	Girvin Crosslink Pro Carbon With NR-2

Other Specs of ProFlex 957

Component group sets	Grip Shift and Shimano Deore XT
Pedals details	Proflex Mag-T
Rear shock absorber	4.0 (inches) Travel Noleen NR-4 Piggyback
Saddle seat	Selle Royal Fizik
Seat post extension	27.2 (millimeters) Diameter Control Tech Ultra-Lite