ProFlex 657 1997 VS K2 ATTACK 1.0 2004 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


K2 Attack 1.0 2004 comparison online with competitors

K2 Attack 1.0

General Infos
Model Attack 1.0
Manufacturer K2
Year of production 2004
Current price Check price Here ==>   
Color choice -Black and Blue
Sizes - Large
- medium
- small
- way big

Wheels And Breaking System

Bike front tire26 X 1.95 (inches) IRC Multi-Terrain
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Shimano Acera Levers
Tektro Linear-pull Brakes
Hubs for disc brakes Q and R
Aluminum
Rims manufacturer 36-hole
Ritchey Girder
Spoke nipples typeNot Available
Spoke wheel 14ga. Straight Gauge
Stainless Steel

Frame and Body Specs

Frame materials7005 aluminum c
Frame typeTIG-welded
Handlebar construction Rise
Aluminum
Handlebar extenderOptional
Handlebar stem detailsAluminum Threadless
Headset size1 1/8 (inches) Threadless Ritchey

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
KMC IG-31
Bottom bracket shell width68 (millimeters) English
Bottom bracket typeCartridge
Crankset parts and sizes 22/32/42 Teeth
Suntour XCC-150
Gear shift leversShimano Acera EX Fire
Rear gear set 11 - 30 Teeth
8-speed

K2 Attack 1.0 Fork System Data

Derailleur (Front) Clamp-on
Shimano Acera
Derailleur (Rear)Shimano Altus
Fork material Single Crown
Aluminum
Fork type 100 (millimeters) Travel
Rock Shox Judy C

Other Specs of K2 Attack 1.0

Component group setsMountain Mix
Pedals detailsSteel Cage With Clips & Straps
Rear shock absorberNoleen Sport
Saddle seatWTB SST X2
Seat post extension 27.2 (millimeters) Diameter
Aluminum Micro-adjust


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