Piranha Arsenal 1.9 Hardtail Mountain Bike, 29 inch Wheels, 19 inch Frame, Men's Bike, Black/Green Frame/Fork: 19 inch alloy frame with steel suspension fork Wheels/Tires: Aluminum rims with 29 x 1.95 inch mountain bike tires Drivetrain: 21 speed, Shimano Tourney TX rear derailleur and Shimano front derailleur, Shimano EZ Fire trigger shifters Brakes/Cockpit: Rear V-brake and front disc brake, alloy thread less stem with alloy riser handlebar Extras: Kickstand