ProFlex 657 1997 VS GT I DRIVE EXPERT 2003 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

GT I Drive Expert

General Infos

Model	I Drive Expert
Manufacturer	GT
Year of production	2003
Current price	Check price Here ==>
Color choice	-Billet
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	Tioga Red Phoenix
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Shimano Deore Levers Shimano Deore Brakes
Hubs for disc brakes	Shimano Deore
Rims manufacturer	Syncros Lil Snapper
Spoke nipples type	Aluminum Nipples
Spoke wheel	15ga. Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Kinesis Superlight
Frame type	TIG-welded
Handlebar construction	Syncros Flat
Handlebar extender	Optional
Handlebar stem details	Ritchey Pro
Headset size	1 1/8 (inches) Threadless Ritchey Integrated

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Octalink
Crankset parts and sizes	Shimano Deore LX
Gear shift levers	Shimano Deore
Rear gear set	9-speed

GT I Drive Expert Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano Deore XT
Fork material	Single Crown Aluminum and magnesium
Fork type	Rock Shox Duke XC

Other Specs of GT I Drive Expert

Component group sets	Mountain Mix
Pedals details	Ritchey Logic Comp V.2
Rear shock absorber	Fox Float R
Saddle seat	SDG Satellite
Seat post extension	Aluminum Micro-adjust