Yeah, Fruita/Grand Junction is where people tend to add to a Moab trip. There's quite a bit of variety in the area. Generally speaking, you've got rocky, technical trails at the Lunch Loops(Grand Junction), smooth, flowy trails at the North Fruita Desert(also known as 18 Road), and the Kokopelli Loops(also called Loma by a lot of people) which is sort of in-between. There are plenty of other trails to ride in the Fruita/GJ area, but those are the three main spots. There are lots of youtube videos of the trails if you want to check out what they look like.