Walmart offers the Roadmaster Men's Granite Peak 26" Mountain Bicycle in Black, model no. R4046WMD, for $79.97 with free shipping. That's tied with our mention from two weeks ago and the lowest total price we could find by $24. This 18-speed bike features a steel frame, front and rear linear pull brakes, Shimano rear derailleur, and suspension fork.
Of note, Walmart also offers the Roadmaster Women's Granite Peak 26" Mountain Bicycle or Granite Peak Boys' Bicycle for the same price.