29" Hyper Explorer MTB Men"s Bike, Black: * Frame: aluminum frame * Suspension: front and rear suspension * Gearing (# of speeds): 21 speeds * Derailleur: Shimano front and rear derailleur * Brakes: front disc brakes * Wheels: oversized 29" MTB wheels * Tires: knobby tires * Rims: 29" rims * Handlebar: mountain handlebar * Seat: padded seat * Pedals: standard pedals * Weight limit: 225 lbs * Assembly required for the Hyper Explorer 29" Mens Bike * Dimensions: 62.2"L x 7.48"W x 29.53"H