Nishiki Optima SC 1998 Technical specs and features
| Brand | Nishiki |
| Model | Optima SC |
| First production | 1998 |
| Bike category | Commuter |
| Bike sub-category | City Commuter |
| Bike Pricing | Check price Here ==> |
| Parts And Accessories | Nishiki Optima SC Parts |
| Available Sizes | - 16 (inches) / 40.64 (cm) - 16 (inches) - 18 (inches) / 45.72 (cm) - 18 (inches) - 20 (inches) / 50.8 (cm) - 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 Levers Shimano Altus Brakes |
| Hubs for disc brakes | Shimano RM40 |
| Rims manufacturer | 36-hole Weinmann 519 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Chung Nan Stainless Steel |
Frame and Body Specifications
| Frame materials | 7005 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | 2 (inches) Rise Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Aluminum |
| Headset size | 1 1/8 (inches) Victor VP-H94 Sealed |
Gearing Specs
| Bicycle chain | 1/2 X 3/32 (inches) KMC Z-51 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 110.5 (millimeters) Spindle Shimano BB-LP27 |
| Crankset parts and sizes | 24/34/42 Teeth Sugino Impel 250 |
| Gear shift levers | Grip Shift SRT-4.0 |
| Rear gear set | 12 - 28 Teeth 7-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 Crown 4130 Chromoly |
| Fork type | Nishiki Comfort |
Other Specs of Nishiki Optima SC
| Component group sets | Shimano Alivio |
| Available colors | - Okanagon Green |
| Weight | Not Available |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Selle Stratos Hyper Plush With Bumper Guard |
| Seat post extension | 27.2 (millimeters) Diameter Aluminum Micro-adjust |
Nishiki Optima SC picture
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Nishiki Optima SC bike review
Nishiki produced the Optima SC bike in 1998 and can be classified as a Commuter bicycle, this exact model costs in american market arround $379.99.
Optima SC bike is available in many sizes such as 16 (inches), 18 (inches), 20 (inches), womens 16 (inches) and womens 19 (inches).
Nishiki Commuter Optima SC can be found in a few colors, among these colors Okanagon Green .
This bike is equiped with 26 x 1.95" Rolleasy Comfort tires and Chung Nan stainless steel spoke wheel while the rims are manufactured by Weinmann 519, 36-hole. Nishiki equiped this exact model with Shimano Altus brakes, aluminum levers braking system and Shimano RM40 hubs.
To guarantee the comfiest ride Nishiki used 7005 aluminum material for the frame. Aluminum, 2" rise high strength material is used on the handlebar of this Optima SC to ensure the perfect handling while the stems are made of Aluminum.
For the smoothest biking experience Sugino Impel 250, 24/34/42 teeth is used on this bicycle linked to KMC Z-51 chain that is easily replaceable as stated by Nishiki, the whole system is connected to a high reliability Grip Shift SRT-4.0 gear shift levers.