Mantis Raptor B 24 Hardtail MTB Bicycle Frame/Fork: 16" Steel hard tail frame with steel suspension fork Wheels/Tires: Aluminum rims with 24 X 1.95 inch black mountain bike tires Drivetrain: 21 speed with Shimano Tourney TZ rear derailleur, Micro SHIFT twist shifters Brakes/Cockpit: Front and Rear V-Brakes, steel quill stem and steel riser bar Includes: Kickstand