ProFlex 657 1997 VS GT DH I 2003 specs comparison
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 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 |
GT DH i
General Infos| Model | DH i |
| Manufacturer | GT |
| Year of production | 2003 |
| Current price | Check price Here ==> |
| Color choice |
-Storm Grey Metallic |
| Sizes |
- Large - medium - small |
Wheels And Breaking System
| Bike front tire | Tioga Factory DH |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Hayes Hydraulic Disc Levers Hayes Hydraulic Disc Brakes |
| Hubs for disc brakes | Rear: Hadley 12 (millimeters) Axle Front: GT DH |
| Rims manufacturer | Tioga Factory DH |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge DT Stainless Steel |
Frame and Body Specs
| Frame materials | 6061 T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Tioga DH |
| Handlebar extender | Not Available |
| Handlebar stem details | Tioga Task Force |
| Headset size | 1 1/8 (inches) Threadless Tioga DL-2 |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Shimano XTR Octalink |
| Crankset parts and sizes | Shimano XTR |
| Gear shift levers | Shimano XTR RapidFire |
| Rear gear set | 9-speed |
GT DH i Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano XTR |
| Fork material | Dual Crown Aluminum and magnesium |
| Fork type | 178 (millimeters) Travel Rock Shox Boxxer |
Other Specs of GT DH i
| Component group sets | Mountain Mix |
| Pedals details | Shimano DX |
| Rear shock absorber | 7.0 (inches) Travel Fox Coil |
| Saddle seat | SDG Grand Prix |
| Seat post extension | Syncros |
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 GT DH i manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT DH i Mountain bike here