Includes bottom bracket. A friend of mine got one of these a while back when competitive cycle had them for around the same price and he has been happy with it.
BlueSkyCycling.com - Shimano SLX M665 Crankset w/ Bash Guard 8/9 Speed
BlueSkyCycling.com - Shimano SLX M665 Crankset w/ Bash Guard 8/9 Speed