Rocky Mountain PIPELINE 1998 VS ProFlex 657 1997 specs comparison

Rocky Mountain Pipeline
General InfosModel | Pipeline |
Manufacturer | Rocky Mountain |
Year of production | 1998 |
Current price | Check price Here ==> |
Color choice | -Blue front and red swingarm |
Sizes | - 16.5 (inches)- 18 (inches)- 19.5 (inches) |
Sizes | - 16.5 (inches)- 18 (inches)- 19.5 (inches) |
Wheels And Breaking System
Bike front tire | 26 X 1.95 (inches) WTB VelociRaptor 44/50 Kevlar |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Avid SD-2.0 L LeversAvid 1D-20 Brakes |
Hubs for disc brakes | Rear: Shimano Deore LXFront: Shimano Deore LX Suspension |
Rims manufacturer | Sun Rims CR18 |
Spoke nipples type | Not Available |
Spoke wheel | 2.0 (millimeters) Double-buttedDT Stainless Steel |
Frame and Body Specs
Frame materials | Easton Custom HBO Aluminum |
Frame type | Welded |
Handlebar construction | RMB 2014 Aluminum DH |
Handlebar extender | Optional |
Handlebar stem details | Ritchey CompLite |
Headset size | 1 1/8 (inches) Threadless Ritchey Logic Expert |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)Taya TB-600 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Shimano BB-UN52 |
Crankset parts and sizes | 22/32/42 TeethShimano Deore LX |
Gear shift levers | Grip Shift ESP 9.0SL |
Rear gear set | 11 - 30 Teeth8-speed |
Rocky Mountain Pipeline Fork System Data
Derailleur (Front) | Top-pull and clamp-on 31.8 (millimeters)Shimano Deore XT Top-swing |
Derailleur (Rear) | Grip Shift ESP 9.0SL |
Fork material | Triple-clamp CrownAluminum |
Fork type | Marzocchi Bomber Z-1 BAM |
Other Specs of Rocky Mountain Pipeline
Component group sets | Grip Shift ESP 9.0SL and Shimano Deore LX |
Pedals details | Ritchey Logic |
Rear shock absorber | 4.0 (inches) Or 6.0 (inches) TravelFox Vanilla R |
Saddle seat | Selle Italia Nitrox PD |
Seat post extension | Ritchey Expert |

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) |
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 LeversChang Star 879AG Brakes |
Hubs for disc brakes | Rear: Shimano STX-RCFront: Shimano STX |
Rims manufacturer | 32-holeMavic 238 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 1.8 (millimeters) Straight GaugeChung Nan Stainless Steel |
Frame and Body Specs
Frame materials | Butted7000 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) SpindleShimano BB-LP26 |
Crankset parts and sizes | 22/32/42 TeethShimano STX-RC |
Gear shift levers | Shimano STX-RC RapidFire SL |
Rear gear set | 11 - 28 Teeth8-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 CrownAluminum |
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) TravelGirvin GDT Coil Over Oil |
Saddle seat | Selle San Marco Tecno Dynamica |
Seat post extension | 27.2 (millimeters) DiameterPolygon PM-312 |
Useful links and guides ....
- To know more about this exacte bike, Rocky Mountain provided us with the latest version of its Pipeline bike manual
- Find All parts, tires and accessories of Rocky Mountain Pipeline Mountain bike here
- Get your ProFlex 657 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for ProFlex 657 Mountain bike here