This is a Shimano Ultegra crankset, model FC-6500. It is an 8/9-speed crankset with a 130 BCD, 175mm in length, and has 53/39T chainrings. This crankset is Octalink, and not square-tapered. They are universally well known for being a very lightweight crankset.
Material = Aluminum
Condition = Good, slight wear to the "Ultegra" logo on crank arms.
This is a used product and is sold as-is. Photo is representative. We do our best to represent products accurately, but be aware that the actual product condition may differ.
Feel free to contact us with any questions or inquiries!