Trek ST 120 1996 VS ProFlex 657 1997 specs comparison

Trek ST 120

General Infos

Model	ST 120
Manufacturer	Trek
Year of production	1996
Current price	Check price Here ==>
Color choice	-Black
Sizes	- Large - medium - small
Sizes	- Large - medium - small

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Tioga Psycho TS Front: 26 X 1.95 (inches) Tioga Psycho KS
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-7 Levers Shimano Alivio M-System Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Matrix Lobo
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Union Stainless Steel

Frame and Body Specs

Frame materials	Easton ProGram 6061 T6
Frame type	Welded Aluminum
Handlebar construction	System 1
Handlebar extender	System 1
Handlebar stem details	System 2
Headset size	1 1/8 (inches) Threadless Dia-Compe Kontak Aheadset ST-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG31
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	22/32/42 Teeth Shimano STX
Gear shift levers	Grip Shift SRT-600
Rear gear set	11 - 28 Teeth 7-speed

Trek ST 120 Fork System Data

Derailleur (Front)	Top-pull and clamp-on 35.0 (millimeters) Shimano Deore LX
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Quadra 21R

Other Specs of Trek ST 120

Component group sets	Shimano Deore LX
Pedals details	System 1 With Clips & Straps
Rear shock absorber	4.0 (inches) Travel Fox Vanilla
Saddle seat	Bontrager Plus 10
Seat post extension	27.2 (millimeters) Diameter System 1

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)

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