Walmart offers the Roadmaster Men's Granite Peak 26" Mountain Bicycle in Black, model no. R4046WMD, for $79.97 with free shipping. That's $20 off and tied with last week's mention (which required pickup) as the lowest total price we could find. This 18-speed bike features a steel frame, front and rear linear pull brakes, Shimano rear derailleur, and suspension fork.