ProFlex 657 1997 VS Trek SESSION 10 2008 specs comparison

ProFlex 657

General Infos

Model	657
Manufacturer	ProFlex
Year of production	1997
Current price	Check price Here ==>
Color choice	-Matte titanium
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches)
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Panaracer Duster II
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Chang Star 274A Levers Chang Star 879AG Brakes
Hubs for disc brakes	Rear: Shimano STX-RC Front: Shimano STX
Rims manufacturer	32-hole Mavic 238
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Chung Nan Stainless Steel

Frame and Body Specs

Frame materials	Butted 7000 Aluminum
Frame type	TIG-welded
Handlebar construction	Aluminum
Handlebar extender	Girvin Team Issue
Handlebar stem details	Girvin Forged
Headset size	1 1/8 (inches) Threadless Dia-Compe Kontak Aheadset ST-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-40
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	22/32/42 Teeth Shimano STX-RC
Gear shift levers	Shimano STX-RC RapidFire SL
Rear gear set	11 - 28 Teeth 8-speed

ProFlex 657 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano STX-RC Top-swing
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Girvin Linkage Crown Aluminum
Fork type	Girvin AL With ODS Coil Over Oil

Other Specs of ProFlex 657

Component group sets	Shimano Deore LX and STX-RC
Pedals details	Wellgo LU-946S
Rear shock absorber	3.5 (inches) Travel Girvin GDT Coil Over Oil
Saddle seat	Selle San Marco Tecno Dynamica
Seat post extension	27.2 (millimeters) Diameter Polygon PM-312

Trek Session 10

General Infos

Model	Session 10
Manufacturer	Trek
Year of production	2008
Current price	Check price Here ==>
Color choice	-White
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.60 (inches) Bontrager Big Earl
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Juicy 7 Levers Avid Juicy 7 With 203 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: Bontrager King Earl 150 (millimeters) Front: 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	Manitou IS-2 Integrated
Headset size	Cane Creek Double XC

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	38 Teeth Bontrager King Earl
Gear shift levers	SRAM X.0 Trigger
Rear gear set	11 - 34 Teeth 9-speed

Trek Session 10 Fork System Data

Derailleur (Front)	E-Thirteen SRS
Derailleur (Rear)	SRAM X.0
Fork material	Single Crown Aluminum and magnesium
Fork type	203 (millimeters) Travel Manitou Travis Triple Intrinsic

Other Specs of Trek Session 10

Component group sets	Downhill Mix
Pedals details	Bontrager King Earl Platform
Rear shock absorber	254 (millimeters) Travel Manitou Revox ISX
Saddle seat	Bontrager Big Earl
Seat post extension	Bontrager King Earl