Selling 55t and 42t FullSpeedAhead road double chainrings. Regular style (not heavier aero kind), 130 BCD (fits Shimano), precision CNC machined. Had purchased for my old 650C tribike that I have since sold. Used less than 500 miles, very good condition, only sign of wear is on black paint on back side of teeth. I can e-mail you digital pictures if you're interested.