15 speed mountain-for a man or a woman-this bike is called Raleigh-rocky, it has a shimano derailleur, thumb shifters, high handle bars, alloy rims, quick release seat, steel pedals, it comes with a bell, carrier, bottle holder and fenders, good condition, bike is 2 years old, driven for 6 months, call for more information. Please call me as it takes me a few days to get to a computer, thank you.