ProFlex 657 1997 VS ProFlex 656 1996 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

ProFlex 656

General Infos

Model	656
Manufacturer	ProFlex
Year of production	1996
Current price	Check price Here ==>
Color choice	- red -Dark blue
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) WTB VelociRaptor
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Grip Shift SRT-450 Alloy Levers Dia-Compe VC-700 Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Mavic 238
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Chromoly Rear Triangle Double-butted 7005 Aluminum
Frame type	Welded Aluminum
Handlebar construction	Hsin Lung Alloy
Handlebar extender	Girvin Alloy
Handlebar stem details	Girvin Vector
Headset size	1 1/8 (inches) Dia-Compe Kontak Aheadset ST-2

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-LP26
Crankset parts and sizes	22/32/42 Teeth Sugino Impel 350
Gear shift levers	Grip Shift SRT-450
Rear gear set	11 - 28 Teeth 7-speed

ProFlex 656 Fork System Data

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

Other Specs of ProFlex 656

Component group sets	Shimano Deore LX and STX
Pedals details	Wellgo LU-897
Rear shock absorber	3.0 (inches) Travel Girvin MCU
Saddle seat	Vetta SL
Seat post extension	27.2 (millimeters) Diameter Polygon PM-710