Nishiki OPTIMA SC 1998 VS Marin BEAR VALLEY 2003 specs comparison

Nishiki Optima SC
General InfosModel | Optima SC |
Manufacturer | Nishiki |
Year of production | 1998 |
Current price | Check price Here ==> |
Color choice | -Okanagon Green |
Sizes | - 16 (inches)- 18 (inches)- 20 (inches)- womens 16 (inches)- womens 19 (inches) |
Sizes | - 16 (inches)- 18 (inches)- 20 (inches)- womens 16 (inches)- womens 19 (inches) |
Wheels And Breaking System
Bike front tire | 26 X 1.95 (inches) Rolleasy Comfort |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Aluminum LeversShimano Altus Brakes |
Hubs for disc brakes | Shimano RM40 |
Rims manufacturer | 36-holeWeinmann 519 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight GaugeChung Nan Stainless Steel |
Frame and Body Specs
Frame materials | 7005 aluminum c |
Frame type | TIG-welded |
Handlebar construction | 2 (inches) RiseAluminum |
Handlebar extender | Optional |
Handlebar stem details | Aluminum |
Headset size | 1 1/8 (inches) Victor VP-H94 Sealed |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)KMC Z-51 |
Bottom bracket shell width | 68 (millimeters) English |
Bottom bracket type | 110.5 (millimeters) SpindleShimano BB-LP27 |
Crankset parts and sizes | 24/34/42 TeethSugino Impel 250 |
Gear shift levers | Grip Shift SRT-4.0 |
Rear gear set | 12 - 28 Teeth7-speed |
Nishiki Optima SC Fork System Data
Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters)Shimano Alivio Top-swing |
Derailleur (Rear) | Shimano STX |
Fork material | Unicrown Crown4130 Chromoly |
Fork type | Nishiki Comfort |
Other Specs of Nishiki Optima SC
Component group sets | Shimano Alivio |
Pedals details | Resin |
Rear shock absorber | Not Available |
Saddle seat | Selle Stratos Hyper Plush With Bumper Guard |
Seat post extension | 27.2 (millimeters) DiameterAluminum Micro-adjust |

Marin Bear Valley
General InfosModel | Bear Valley |
Manufacturer | Marin |
Year of production | 2003 |
Current price | Check price Here ==> |
Color choice | -Matte Silver |
Sizes | - 13.5 (inches)- 15.5 (inches)- 17.5 (inches)- 19 (inches)- 20.5 (inches) |
Wheels And Breaking System
Bike front tire | 700 X 28c Kenda Road |
Bike rear tire | Not Available |
Bike wheel size | 700c Wheels |
Brakeset type | Shimano LeversAvid Single Digit 3 Brakes |
Hubs for disc brakes | Formula Xero Lite |
Rims manufacturer | 20-hole and 24-holeFormula Xero Lite XR4 |
Spoke nipples type | Not Available |
Spoke wheel | 15ga. Straight GaugeDT Stainless Steel |
Frame and Body Specs
Frame materials | Double-butted7000 Aluminum |
Frame type | TIG-welded |
Handlebar construction | Aluminum Flat Bar |
Handlebar extender | Ovation |
Handlebar stem details | Aluminum 4 Bolt |
Headset size | 1 1/8 (inches) Threadless WTB Momentum Comp AL |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)Shimano CN-IG31 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Sealed Cartridge |
Crankset parts and sizes | 30/42/52 TeethTruVativ Elita |
Gear shift levers | Shimano ST- R223 |
Rear gear set | 12 - 24 Teeth8-speed |
Marin Bear Valley Fork System Data
Derailleur (Front) | Shimano Sora Triple |
Derailleur (Rear) | Shimano Sora GS |
Fork material | Unicrown Crown7005 T6 Aluminum |
Fork type | Not Available |
Other Specs of Marin Bear Valley
Component group sets | Hybrid Mix |
Pedals details | Optional |
Rear shock absorber | Not Available |
Saddle seat | WTB Speed V Sport |
Seat post extension | 27.0 (millimeters) DiameterMarin Comp Aluminum |
Useful links and guides ....
- To know more about this exacte bike, Nishiki provided us with the latest version of its Optima SC bike manual
- Find All parts, tires and accessories of Nishiki Optima SC Commuter here
- Get your Marin Bear Valley manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Marin Bear Valley Commuter here