These funnily named pieces fill in the transition between Shimano road chainrings (105, Ultegra, and Dura Ace) and the Appleman 2XR 110×4 Shimano style spider.
Choose either 11 speed or 12 speed (they are different shaped).
3D Printed out of high strength, outdoor ready Polycarbonate.
Apply to chainring with hot glue (installation not included).
*chainrings, spider, and/or hot glue not included.