Trek SESSION 77 2006 VS ProFlex 856 1996 specs comparison

Trek Session 77

General Infos

Model	Session 77
Manufacturer	Trek
Year of production	2006
Current price	🛒 View Price →
Color choice	-Gold Anodized
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	26 X 2.50 (inches) Bontrager Big Earl
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	BFL Levers Hayes HFX-Mag Brakes
Hubs for disc brakes	Bontrager King Earl
Rims manufacturer	Bontrager King 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 King Earl
Handlebar extender	Not Available
Handlebar stem details	Bontrager King Earl
Headset size	Cane Creek Double X

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	34/36 Teeth Bontrager King Earl
Gear shift levers	SRAM X-0
Rear gear set	11 - 34 Teeth 9-speed

Trek Session 77 Fork System Data

Derailleur (Front)	Shimano Deore XT
Derailleur (Rear)	SRAM X-0
Fork material	Single Crown Aluminum and magnesium
Fork type	180 (millimeters) Travel Manitou Travis Single Intrinsic

Other Specs of Trek Session 77

Component group sets	Mountain Mix
Pedals details	Bontrager Big Earl
Rear shock absorber	Manitou Swinger 4-Way
Saddle seat	Bontrager Big Earl
Seat post extension	Bontrager King Earl

ProFlex 856

General Infos

Model	856
Manufacturer	ProFlex
Year of production	1996
Current price	🛒 View Price →
Color choice	- titanium -Red
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) WTB VelociRaptor Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-7N Levers Shimano Deore LX M-System Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Mavic 220
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double Butted DT Competition Stainless Steel

Frame and Body Specs

Frame materials	Double-butted With Aluminum Swingarm 7000 Aluminum
Frame type	Welded Aluminum
Handlebar construction	Hsin Lung Alloy
Handlebar extender	Girvin Alloy
Handlebar stem details	Girvin Forged
Headset size	1 1/8 (inches) Dia-Compe Kontak Aheadset AL

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC40
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-UN51
Crankset parts and sizes	22/32/42 Teeth Sugino Impel 500
Gear shift levers	Grip Shift SRT-800 X-Ray
Rear gear set	11 - 28 Teeth 8-speed

ProFlex 856 Fork System Data

Derailleur (Front)	Bottom-pull Shimano Deore XT
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Girvin Linkage Crown Ovalized Aluminum
Fork type	Girvin AL MCU

Other Specs of ProFlex 856

Component group sets	Shimano Deore XT
Pedals details	Ritchey Logic
Rear shock absorber	3.5 (inches) Travel Girvin MCU
Saddle seat	Selle San Marco Concor Lite
Seat post extension	27.2 (millimeters) Diameter Polygon PM-710