ProFlex 657 1997 VS Boulder Bikes DEFIANT (LX) 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


Boulder Bikes Defiant (LX) 1998 comparison online with competitors

Boulder Bikes Defiant (LX)

General Infos
Model Defiant (LX)
Manufacturer Boulder Bikes
Year of production 1998
Current price Check price Here ==>   
Color choice - blue
- green
- red
- silver
- team flames
- white
- yellow
-Black
Sizes - Large
- medium
- small

Wheels And Breaking System

Bike front tire26 X 2.10 (inches) IRC Mythos XC
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Shimano Deore LX Levers
Shimano Deore LX V-Brake Brakes
Hubs for disc brakes Rear: Shimano Deore LX
Front: Shimano Deore LX Suspension
Rims manufacturer 32-hole
Mavic X222
Spoke nipples typeBrass Nipples
Spoke wheel 1.8 (millimeters) Double-butted
Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials Double-butted
Chromoly
Frame typeTIG-welded
Handlebar constructionBontrager Race
Handlebar extenderOptional
Handlebar stem detailsRitchey CompLite
Headset size1 1/8 (inches) Threadless Aheadset Kontak SA-2

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
Shimano CN-IG51
Bottom bracket shell width68 (millimeters) English
Bottom bracket type 107 (millimeters) Spindle
Shimano BB-UN52
Crankset parts and sizes 22/32/42 Teeth
Shimano Deore LX
Gear shift leversShimano Deore LX RapidFire SL
Rear gear set 11 - 30 Teeth
8-speed

Boulder Bikes Defiant (LX) Fork System Data

Derailleur (Front) Top-pull and clamp-on 31.8 (millimeters)
Suntour XC Pro
Derailleur (Rear)Shimano Deore LX SGS
Fork material Triple-clamp Crown
Aluminum and magnesium
Fork typeRock Shox Judy XC

Other Specs of Boulder Bikes Defiant (LX)

Component group setsShimano Deore LX
Pedals detailsOptional
Rear shock absorber 3.25 (inches) Travel
Works Performance Air and oil
Saddle seatBontrager
Seat post extension 28.6 (millimeters) Diameter
Kalloy Uno


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