ProFlex 657 1997 VS Norco DEFENDER 2004 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 |
Norco Defender
General Infos| Model | Defender |
| Manufacturer | Norco |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
-Gray |
| Sizes |
- 15.5 (inches) - 17 (inches) - 18.5 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Innova On and off Road |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano Levers Aluminum Linear-pull Brakes |
| Hubs for disc brakes | Q and R Rear: Formula Nutted Front: Formula Aluminum |
| Rims manufacturer | 36-hole Strong E |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Chung Nan UCP |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | 1 (inches) Rise Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Quill Steel |
| Headset size | 1 1/8 (inches) Victor VP-MH-501 |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC Z50 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Chin Haur CH-32 |
| Crankset parts and sizes | 24/34/42 Teeth SR Suntour XCC-150PB |
| Gear shift levers | Shimano EF-29 EZ-Fire |
| Rear gear set | 14 - 28 Teeth 7-speed |
Norco Defender Fork System Data
| Derailleur (Front) | Shimano C050 |
| Derailleur (Rear) | Shimano TX-50 |
| Fork material | Single Crown Aluminum |
| Fork type | SR Suntour M-5000 |
Other Specs of Norco Defender
| Component group sets | Mountain Mix |
| Pedals details | Victor VP-872N |
| Rear shock absorber | Dynamount DV-6 |
| Saddle seat | Velo VL-2016 |
| Seat post extension | 28.6 (millimeters) Diameter Steel |
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 Norco Defender manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Norco Defender Mountain bike here