Mongoose Malus Fat Tire Mountain Bike. Its a great bike for both guys and gals, and its in like-new conditiononly been ridden once and kept inside!

Here are some details:

- 26-inch wheels

- 4-inch wide knobby tires

- Steel frame

- 7-speed drivetrain with Shimano rear derailleur

- Disc brakes

I bought it for $519.99 on Amazon, but Im asking for $400 obo.