Counterpoint OPUS IV SS 1996 VS Boulder Bikes SIRIUS 2000 specs comparison
🔥 Compare prices & customer reviews on Amazon
✔ Free shipping on many items • ✔ Easy returns • ✔ Trusted store
➜ Counterpoint Opus IV SS price
➜ Boulder Bikes Sirius price
Counterpoint Opus IV SS
General Infos| Model | Opus IV SS |
| Manufacturer | Counterpoint |
| Year of production | 1996 |
| Current price | 🛒 View Price → |
| Color choice | -All colors available |
| Sizes | - Captain 18/stoker adjustable recumbent (inches)- captain 20/stoker adjustable recumbent (inches)- captain 22/stoker adjustable recumbent (inches) |
| Sizes | - Captain 18/stoker adjustable recumbent (inches)- captain 20/stoker adjustable recumbent (inches)- captain 22/stoker adjustable recumbent (inches) |
Wheels And Breaking System
| Bike front tire | Rear: 26 X 1.25 (inches) Specialized TurboFront: 20 X 1.75 (inches) Tioga ST Comp |
| Bike rear tire | Not Available |
| Bike wheel size | Rear: 26 (inches) WheelsFront: 20 (inches) |
| Brakeset type | Sachs 5000 LeversRitchey Logic Brakes |
| Hubs for disc brakes | Not Available |
| Rims manufacturer | 36-hole Rear: Mavic 117 SUPFront: Araya 7X |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight GaugeDT Stainless Steel |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | TIG-welded Steel |
| Handlebar construction | Cinelli 64 |
| Handlebar extender | Not Available |
| Handlebar stem details | SR CYS 50 |
| Headset size | 1 (inches) Threadless Dia-Compe Kontak Aheadset DL-2 |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches)Sachs SC40 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 116 (millimeters) SpindleSampson Stratics Titanium |
| Crankset parts and sizes | 28/42/52 TeethSugino Fuse Tandem |
| Gear shift levers | Sachs 5000 Ergo |
| Rear gear set | 12 - 32 Teeth7-speed |
Counterpoint Opus IV SS Fork System Data
| Derailleur (Front) | Bottom-pullShimano XTR |
| Derailleur (Rear) | Shimano XTR |
| Fork material | Unicrown Crown4130 Chromoly |
| Fork type | Counterpoint |
Other Specs of Counterpoint Opus IV SS
| Component group sets | Shimano XTR |
| Pedals details | Optional |
| Rear shock absorber | Not Available |
| Saddle seat | TFI Sport |
| Seat post extension | 26.8 (millimeters) DiameterRST Suspension |
Boulder Bikes Sirius
General Infos| Model | Sirius |
| Manufacturer | Boulder Bikes |
| Year of production | 2000 |
| Current price | 🛒 View Price → |
| Color choice | -All colors available |
| Sizes | - Rider can adjust manually |
Wheels And Breaking System
| Bike front tire | 20 X 1.50 (inches) |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Magura LeversMagura HS 33 Brakes |
| Hubs for disc brakes | Rear: SRAM 3x7Front: SRAM Plasma |
| Rims manufacturer | 32-holeSun Rims CR18 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight GaugeDT Stainless Steel |
Frame and Body Specs
| Frame materials | Butted With Replaceable Derailleur Hanger7005 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | RANS Tilt Bar-Stem Combo |
| Handlebar extender | Not Available |
| Handlebar stem details | RANS Tilt Bar-Stem Combo |
| Headset size | 1 (inches) Threadless Chris King NoThreadSet |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches)SRAM PC-61 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 122.5 (millimeters) SpindleShimano BB-UN72 |
| Crankset parts and sizes | 38/50/60 TeethSugino XD600 Tandem |
| Gear shift levers | SRAM Quartz |
| Rear gear set | 11 - 30 Teeth7-speed |
Boulder Bikes Sirius Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters)Shimano Ultegra |
| Derailleur (Rear) | Shimano XTR SGS |
| Fork material | Triple-clamp CrownAluminum and chromoly |
| Fork type | 1.0 (inches) TravelBallistic 600 XL |
Other Specs of Boulder Bikes Sirius
| Component group sets | Recumbent Mix |
| Pedals details | Optional |
| Rear shock absorber | 3.0 (inches) TravelWorks Performance and Boulder Bikes Spring and Oil |
| Saddle seat | RANS Recumbent Seat |
| Seat post extension | Control Tech Control Post |
Useful links and guides ....
- To know more about this exacte bike, Counterpoint provided us with the latest version of its Opus IV SS bike manual
- Find All parts, tires and accessories of Counterpoint Opus IV SS Tandem here
- Get your Boulder Bikes Sirius manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Boulder Bikes Sirius Tandem here