Boulder Bikes SIRIUS 2000 VS Counterpoint OPUS IV CL 1994 specs comparison
Boulder Bikes Sirius
General InfosModel | Sirius |
Manufacturer | Boulder Bikes |
Year of production | 2000 |
Current price | Check price Here ==> |
Color choice |
-All colors available |
Sizes |
- Rider can adjust manually |
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 Levers Magura HS 33 Brakes |
Hubs for disc brakes | Rear: SRAM 3x7 Front: SRAM Plasma |
Rims manufacturer | 32-hole Sun Rims CR18 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight Gauge DT Stainless Steel |
Frame and Body Specs
Frame materials | Butted With Replaceable Derailleur Hanger 7005 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) Spindle Shimano BB-UN72 |
Crankset parts and sizes | 38/50/60 Teeth Sugino XD600 Tandem |
Gear shift levers | SRAM Quartz |
Rear gear set | 11 - 30 Teeth 7-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 Crown Aluminum and chromoly |
Fork type | 1.0 (inches) Travel Ballistic 600 XL |
Other Specs of Boulder Bikes Sirius
Component group sets | Recumbent Mix |
Pedals details | Optional |
Rear shock absorber | 3.0 (inches) Travel Works Performance and Boulder Bikes Spring and Oil |
Saddle seat | RANS Recumbent Seat |
Seat post extension | Control Tech Control Post |
Counterpoint Opus IV CL
General InfosModel | Opus IV CL |
Manufacturer | Counterpoint |
Year of production | 1994 |
Current price | Check price Here ==> |
Color choice |
-Not found |
Sizes |
- 18 (inches) - 20 (inches) - 22 (inches) |
Wheels And Breaking System
Bike front tire | Rear: 26 X 1.25 (inches) Tioga Comp ST Front: 20 X 1.75 (inches) Tioga Comp ST |
Bike rear tire | Not Available |
Bike wheel size | Rear: 26 (inches) Wheels Front: 20 (inches) |
Brakeset type | Levers Shimano Brakes |
Hubs for disc brakes | Sansin |
Rims manufacturer | Araya 7X |
Spoke nipples type | Not Available |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | 4130 chromoly c |
Frame type | TIG-welded Steel |
Handlebar construction | SPECIALIZED ROCKBAR |
Handlebar extender | Not Available |
Handlebar stem details | SR CYS 50 |
Headset size | Not Available |
Gearing Specifications
Bicycle chain | Sedis |
Bottom bracket shell width | Not Available |
Bottom bracket type | Not Available |
Crankset parts and sizes | 28/40/52 Teeth Sakae |
Gear shift levers | Shimano Top-mount |
Rear gear set | 13 - 32 Teeth 6-speed |
Counterpoint Opus IV CL Fork System Data
Derailleur (Front) | Shimano |
Derailleur (Rear) | Shimano |
Fork material | Not Available |
Fork type | Chromoly |
Other Specs of Counterpoint Opus IV CL
Component group sets | Shimano |
Pedals details | Not Available |
Rear shock absorber | Not Available |
Saddle seat | Touring |
Seat post extension | SPECIALIZED |
Useful links and guides ....
- To know more about this exacte bike, Boulder Bikes provided us with the latest version of its Sirius bike manual
- Find All parts, tires and accessories of Boulder Bikes Sirius Tandem here
- Get your Counterpoint Opus IV CL manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Counterpoint Opus IV CL Tandem here