The Nishiki Optima SC is a 31,28 pound a commuter/city bike with a chromoly, steel and aluminum frame. The frame comes in Okanagon Green or Champagne Vapor (White.
It was first released in 1998 and again in 1999. The Optima SC is fully rigid.
Components
The Optima SC comes with Mix and Shimano Alivio components, including an aluminum adjustable stem, a sealed Victor headset and grip-shift, Shimano Revo TY-40 SRT-4.0 shifters.
Drivetrain
The Optima SC has 7 speeds and has a Shimano derailleur.
Wheels
It comes with Kenda K-847 Rolleasy tires (26in x 1.95in) and Weinmann 519 rims.