This appears to be a late-1990s Specialized Rockhopper mountain bike with a rigid steel frame in a dark blue finish.
Key Features
Frame: Classic steel tubing with traditional horizontal top tube geometry.
Fork: Rigid front fork instead of suspension.
Style: A popular retro model often used for city commuting or vintage restorations.
200 – $300 (Ready to Ride): If the shifting is perfectly crisp, tires hold air and have good tread, the brakes stop smoothly, and there is minimal rust. Local pickup in West Denver Area and cash only.