ProFlex 657 1997 VS GT MARATHON 2.0 2008 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 Marathon 2.0 2008 comparison online with competitors

GT Marathon 2.0

General Infos
Model Marathon 2.0
Manufacturer GT
Year of production 2008
Current price Check price Here ==>   
Color choice -White
Sizes - Xsmall
- small
- medium
- large
- xlarge

Wheels And Breaking System

Bike front tire26 (inches) Kenda Nevagal
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Shimano LX Levers
Shimano LX Hydraulic Disc Brakes
Hubs for disc brakesShimano LX Centerlock Hubset
Rims manufacturerWTB Speed Disc XC
Spoke nipples typeDT Swiss
Spoke wheelDT Swiss Stainless Steel

Frame and Body Specs

Frame materialsGT I-Drive 4 6061 Aluminum
Frame typeTIG-welded
Handlebar constructionRitchey 6061 OS
Handlebar extenderOptional
Handlebar stem detailsRitchey 6061 OS
Headset size1 1/8 (inches) FSA Integrated

Gearing Specifications

Bicycle chainShimano LX
Bottom bracket shell widthNot Available
Bottom bracket typeShimano Hollowtech II
Crankset parts and sizesShimano LX Hollowtech II
Gear shift leversShimano LX
Rear gear set 11 - 32 Teeth
9-speed

GT Marathon 2.0 Fork System Data

Derailleur (Front)Shimano LX
Derailleur (Rear)Shimano LX
Fork material Single Crown
Aluminum and magnesium
Fork type 120 (millimeters) Travel
RockShox Recon 351

Other Specs of GT Marathon 2.0

Component group setsShimano LX
Pedals detailsCrank Brothers Candy C
Rear shock absorber 4 (inches) Travel
Fox Float R
Saddle seatWTB Rocket V Comp
Seat post extensionRitchey


Useful links and guides ....