Boulder Bikes SIRIUS 2000 VS Vision VR85 TANDEM 1998 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 |
Vision VR85 Tandem
General InfosModel | VR85 Tandem |
Manufacturer | Vision |
Year of production | 1998 |
Current price | Check price Here ==> |
Color choice |
- Metallic Blue - red -Custom |
Sizes |
- Rider can adjust manually |
Wheels And Breaking System
Bike front tire | Rear: 26 (inches) IRC Metro Duro Front: 20 X 1.75 (inches) Peregrin |
Bike rear tire | Not Available |
Bike wheel size | Rear: 26 (inches) Wheels Front: 20 (inches) |
Brakeset type | Magura Levers Magura Hydraulic and Arai Brakes |
Hubs for disc brakes | Phil Wood Tandem |
Rims manufacturer | 36-hole and 40-hole Sun Rims Rhyno |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight Gauge Sapim Stainless Steel |
Frame and Body Specs
Frame materials | 2.5 (inches) Cromoly and SS |
Frame type | TIG-welded |
Handlebar construction | Vision Above Or Below Seat |
Handlebar extender | Not Available |
Handlebar stem details | Vision |
Headset size | 1 (inches) YST 8311 Aluminum |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches) KMC SS-91 |
Bottom bracket shell width | 68 (millimeters) English |
Bottom bracket type | 127.5 (millimeters) Spindle Shimano BB-UN52 |
Crankset parts and sizes | 30/42/52 Teeth Vision IPS |
Gear shift levers | Shimano Deore XT RapidFire SL |
Rear gear set | 11 - 30 Teeth 8-speed |
Vision VR85 Tandem Fork System Data
Derailleur (Front) | Bottom-pull Shimano 600 Ultegra Triple |
Derailleur (Rear) | Shimano Deore XT |
Fork material | Not Available |
Fork type | Rigid Or Ballistic Suspension |
Other Specs of Vision VR85 Tandem
Component group sets | Recumbent Mix |
Pedals details | Shimano RX-100 |
Rear shock absorber | Not Available |
Saddle seat | Nylon Mesh |
Seat post extension | Not Available |
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 Vision VR85 Tandem manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Vision VR85 Tandem Tandem here