ProFlex 657 1997 VS Trek SESSION 77 2006 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


Trek Session 77 2006 comparison online with competitors

Trek Session 77

General Infos
Model Session 77
Manufacturer Trek
Year of production 2006
Current price Check price Here ==>   
Color choice -Gold Anodized
Sizes - 15.5 (inches)
- 17.5 (inches)
- 19 (inches)

Wheels And Breaking System

Bike front tire26 X 2.50 (inches) Bontrager Big Earl
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type BFL Levers
Hayes HFX-Mag Brakes
Hubs for disc brakesBontrager King Earl
Rims manufacturerBontrager King Earl
Spoke nipples typeNot Available
Spoke wheelStainless Steel

Frame and Body Specs

Frame materialsZR 9000 Aluminum
Frame typeTIG-welded
Handlebar constructionBontrager King Earl
Handlebar extenderNot Available
Handlebar stem detailsBontrager King Earl
Headset sizeCane Creek Double X

Gearing Specifications

Bicycle chainNot Available
Bottom bracket shell widthNot Available
Bottom bracket typeNot Available
Crankset parts and sizes 34/36 Teeth
Bontrager King Earl
Gear shift leversSRAM X-0
Rear gear set 11 - 34 Teeth
9-speed

Trek Session 77 Fork System Data

Derailleur (Front)Shimano Deore XT
Derailleur (Rear)SRAM X-0
Fork material Single Crown
Aluminum and magnesium
Fork type 180 (millimeters) Travel
Manitou Travis Single Intrinsic

Other Specs of Trek Session 77

Component group setsMountain Mix
Pedals detailsBontrager Big Earl
Rear shock absorberManitou Swinger 4-Way
Saddle seatBontrager Big Earl
Seat post extensionBontrager King Earl


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