ProFlex 657 1997 VS GT IDRIVE 4 2.0 2007 specs comparison

ProFlex 657 1997 comparison online with competitors

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 tire26 X 2.10 (inches) Panaracer Duster II
Bike rear tireNot Available
Bike wheel size26 (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 typeBrass Nipples
Spoke wheel 1.8 (millimeters) Straight Gauge
Chung Nan Stainless Steel

Frame and Body Specs

Frame materials Butted
7000 Aluminum
Frame typeTIG-welded
Handlebar constructionAluminum
Handlebar extenderGirvin Team Issue
Handlebar stem detailsGirvin Forged
Headset size1 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 width68 (millimeters) English
Bottom bracket type 110 (millimeters) Spindle
Shimano BB-LP26
Crankset parts and sizes 22/32/42 Teeth
Shimano STX-RC
Gear shift leversShimano 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 typeGirvin AL With ODS Coil Over Oil

Other Specs of ProFlex 657

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


GT idrive 4 2.0 2007 comparison online with competitors

GT idrive 4 2.0

General Infos
Model idrive 4 2.0
Manufacturer GT
Year of production 2007
Current price Check price Here ==>   
Color choice -Race Silver
Sizes - Xsmall
- small
- mediuim
- large
- xlarge

Wheels And Breaking System

Bike front tire Rear: 26 X 2.10 (inches) Kenda Nevegal
Front: 26 X 2.35 (inches) Kenda Nevegal
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type 180 (millimeters) Rotor Brakes
Shimano Hydraulic Levers
Shimano Hydraulic
Hubs for disc brakesDT Swiss Disc Centerlock
Rims manufacturerWTB Speed Disc
Spoke nipples typeDT Swiss
Spoke wheel 14ga. Straight Gauge
DT Swiss Stainless Steel

Frame and Body Specs

Frame materials6061 aluminum c
Frame typeTIG-welded
Handlebar constructionTruVativ XR 6061
Handlebar extenderOptional
Handlebar stem detailsTruVativ XR 6061
Headset size1 1/8 (inches) Integrated FSA Integrated

Gearing Specifications

Bicycle chainShimano Nine Speed
Bottom bracket shell widthNot Available
Bottom bracket typeTruVativ GXP
Crankset parts and sizes 22/32/44 Teeth
TruVativ Stylo GXP
Gear shift leversShimano Deore
Rear gear set 11 - 32 Teeth
9-speed

GT idrive 4 2.0 Fork System Data

Derailleur (Front)Shimano Deore LX
Derailleur (Rear)Shimano Deore XT High Normal
Fork material Single Crown
Aluminum and magnesium
Fork type 100 (millimeters)
RockShox Recon 327 Air

Other Specs of GT idrive 4 2.0

Component group setsMountain Mix
Pedals detailsCrank Bros Candy C
Rear shock absorber 4 (inches)
Fox Float R Shock With Rebound Adjust
Saddle seatSDG Bel Air
Seat post extensionTruVativ Micro Adjust


Useful links and guides ....