ProFlex 657 1997 VS GT FORCE CARBON PRO 2010 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 Force Carbon Pro

General Infos

Model	Force Carbon Pro
Manufacturer	GT
Year of production	2010
Current price	Check price Here ==>
Color choice	-Black and Gray
Sizes	- Extra small - Small - Medium - Large

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Kenda Nevegal Front: 26 X 2.30 (inches) Kenda Nevegal
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano XTR Hydraulic Levers Shimano XTR Disc With 180 (millimeters) Rotor Front and Shimano XTR Disc With 160 (millimeters) Rotor Rear Brakes
Hubs for disc brakes	Rear: Mavic CrossMax ST Disc Front: Mavic CrossMax ST Disc With 15 (millimeters) Axle
Rims manufacturer	Mavic CrossMax ST Disc
Spoke nipples type	Not Available
Spoke wheel	Wheelset Mavic

Frame and Body Specs

Frame materials	Carbon Fiber
Frame type	Monocoque
Handlebar construction	Ritchey WCS Low Rise
Handlebar extender	Optional
Handlebar stem details	Thomson Elite X4
Headset size	1 1/8 (inches) Integrated FSA Sealed Beaing

Gearing Specifications

Bicycle chain	Shimano 9 Speed
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano XTR Hollowtech II
Crankset parts and sizes	22/32/44 Teeth Shimano XTR
Gear shift levers	Shimano XTR Rapid Fire
Rear gear set	11 - 34 Teeth 9-speed

GT Force Carbon Pro Fork System Data

Derailleur (Front)	Shimano XTR
Derailleur (Rear)	Shimano XTR
Fork material	Single
Fork type	110 - 150 (millimeters) Adjustable Travel Fox 32 Talas RL and 15 (millimeters) QR Thru Axle

Other Specs of GT Force Carbon Pro

Component group sets	Shimano XTR
Pedals details	Not Available
Rear shock absorber	150 (millimeters) Travel Fox Float RP23
Saddle seat	Fi'zi:k Gobi XM With Mg Rails
Seat post extension	Thomson Elite