ProFlex 657 1997 VS Mongoose EC-X 2006 specs comparison

ProFlex 657
General InfosModel | 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 tire | 26 X 2.10 (inches) Panaracer Duster II |
Bike rear tire | Not Available |
Bike wheel size | 26 (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 type | Brass Nipples |
Spoke wheel | 1.8 (millimeters) Straight Gauge Chung Nan Stainless Steel |
Frame and Body Specs
Frame materials | Butted 7000 Aluminum |
Frame type | TIG-welded |
Handlebar construction | Aluminum |
Handlebar extender | Girvin Team Issue |
Handlebar stem details | Girvin Forged |
Headset size | 1 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 width | 68 (millimeters) English |
Bottom bracket type | 110 (millimeters) Spindle Shimano BB-LP26 |
Crankset parts and sizes | 22/32/42 Teeth Shimano STX-RC |
Gear shift levers | Shimano 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 type | Girvin AL With ODS Coil Over Oil |
Other Specs of ProFlex 657
Component group sets | Shimano Deore LX and STX-RC |
Pedals details | Wellgo LU-946S |
Rear shock absorber | 3.5 (inches) Travel Girvin GDT Coil Over Oil |
Saddle seat | Selle San Marco Tecno Dynamica |
Seat post extension | 27.2 (millimeters) Diameter Polygon PM-312 |

Mongoose EC-X
General InfosModel | EC-X |
Manufacturer | Mongoose |
Year of production | 2006 |
Current price | Check price Here ==> |
Color choice |
-Team Blue and Black |
Sizes |
- Small/medium - medium/large |
Wheels And Breaking System
Bike front tire | 26 X 2.35 (inches) Kenda Nevegal Stick-E Folding |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Avid Juicy 7 Levers Avid Juicy 7 With 6 (inches) Rotor Brakes |
Hubs for disc brakes | Sun Ringle Abbah SOS |
Rims manufacturer | 32-hole Sun SOS |
Spoke nipples type | Brass UCP |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | Freedrive 4X AL |
Frame type | TIG-welded |
Handlebar construction | Truvativ Holzfeller 31.8 25 (millimeters) Rise |
Handlebar extender | Optional |
Handlebar stem details | Truvativ Holzfeller 31.8 |
Headset size | 1 1/8 (inches) FSA Orbit XL Alloy |
Gearing Specifications
Bicycle chain | KMC Z9900 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Truvativ Howitzer Team |
Crankset parts and sizes | 38 Teeth Truvativ Holzfeller DH |
Gear shift levers | SRAM X.9 Impulse Trigger |
Rear gear set | 12 - 26 Teeth 9-speed |
Mongoose EC-X Fork System Data
Derailleur (Front) | MRP System 3 Chainguide Not Applicable |
Derailleur (Rear) | SRAM X.9 Mid-cage |
Fork material | Magnesium and aluminum |
Fork type | 100-130 Rock Shox Revelation 426 Air |
Other Specs of Mongoose EC-X
Component group sets | Mountain Mix |
Pedals details | Optional |
Rear shock absorber | Rock Shox MC3.1 AIR |
Saddle seat | SDG Bel Air ST |
Seat post extension | SDG I-Beam 2014 Alloy |
Useful links and guides ....
- To know more about this exacte bike, ProFlex provided us with the latest version of its 657 bike manual
- Find All parts, tires and accessories of ProFlex 657 Mountain bike here
- Get your Mongoose EC-X manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Mongoose EC-X Mountain bike here