Counterpoint OPUS IV SE 1993 VS Boulder Bikes SIRIUS 2000 specs comparison
Counterpoint Opus IV SE
General InfosModel | Opus IV SE |
Manufacturer | Counterpoint |
Year of production | 1993 |
Current price | Check price Here ==> |
Color choice |
-Not found |
Sizes |
- 18 - 20 - 22 |
Sizes |
- 18 - 20 - 22 |
Wheels And Breaking System
Bike front tire | 20 X 2.00 (inches) Specialized Nimbus III |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Levers Magura Hydrostop Hydraulic Brakes |
Hubs for disc brakes | Specialized Cartridge Bearing |
Rims manufacturer | 36-hole Campagnolo Atheno |
Spoke nipples type | Not Available |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | 4130 chrome-moly c |
Frame type | TIG-welded Steel |
Handlebar construction | Specialized Rockbar With Control Stix II |
Handlebar extender | Not Available |
Handlebar stem details | SR CAS-40 |
Headset size | Not Available |
Gearing Specifications
Bicycle chain | Sedisport |
Bottom bracket shell width | Not Available |
Bottom bracket type | Not Available |
Crankset parts and sizes | 28/44/50 Teeth SR |
Gear shift levers | Shimano Deore DX Thumbshifters |
Rear gear set | 13 - 32 Teeth 7-speed |
Counterpoint Opus IV SE Fork System Data
Derailleur (Front) | Shimano Deore XT |
Derailleur (Rear) | Shimano Deore XT |
Fork material | Not Available |
Fork type | Tange and Counterpoint Chrome-moly |
Other Specs of Counterpoint Opus IV SE
Component group sets | Shimano Deore XT and DX |
Pedals details | Not Available |
Rear shock absorber | Not Available |
Saddle seat | Stoker: Mesh Recumbent Captain: Specialzed |
Seat post extension | Specialized Direct Drive |
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 |
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 |
Useful links and guides ....
- To know more about this exacte bike, Counterpoint provided us with the latest version of its Opus IV SE bike manual
- Find All parts, tires and accessories of Counterpoint Opus IV SE 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