ProFlex 657 1997 VS AMP Research B4 F3XC CARBON (02) 1998 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


AMP Research B4 F3XC Carbon (02) 1998 comparison online with competitors

AMP Research B4 F3XC Carbon (02)

General Infos
Model B4 F3XC Carbon (02)
Manufacturer AMP Research
Year of production 1998
Current price Check price Here ==>   
Color choice - Candy Apple Red
-Ball-Burnished
Sizes - Large
- medium
- small
- xsmall

Wheels And Breaking System

Bike front tireOptional
Bike rear tireNot Available
Bike wheel sizeOptional Wheels
Brakeset type Shimano Deore XT Levers
AMP D1 Hydraulic Disc Brake System Brakes
Hubs for disc brakes Rear: Shimano Deore XT
Front: AMP Research
Rims manufacturerMavic 238
Spoke nipples typeNot Available
Spoke wheelNot Available

Frame and Body Specs

Frame materials Carbon Fiber Rear Triangle
Alcoa 6013 T6 Aluminum
Frame typeTIG-welded
Handlebar constructionControl Tech Aluminum
Handlebar extenderOptional
Handlebar stem detailsControl Tech
Headset size1 1/8 (inches) Threadless Aheadset

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
Shimano CN-IG70
Bottom bracket shell widthNot Available
Bottom bracket typeShimano BB-UN72
Crankset parts and sizes 22/32/42 Teeth
Shimano Deore XT
Gear shift leversShimano Deore XT RapidFire SL
Rear gear set 11 - 28 Teeth
8-speed

AMP Research B4 F3XC Carbon (02) Fork System Data

Derailleur (Front) Top-pull
Shimano Deore XT
Derailleur (Rear)Shimano Deore XT
Fork material Linkage Crown
Aluminum and carbon Fiber
Fork typeAMP Research F3 XC

Other Specs of AMP Research B4 F3XC Carbon (02)

Component group setsShimano Deore XT
Pedals detailsOptional
Rear shock absorber 3.0 (inches) Travel
AMP Research
Saddle seatVetta TT
Seat post extension 31.6 (millimeters) Diameter
Control Tech Or Thomson


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