Amazon.com : SHIMANO FC-M660 SLX Chainring (64x24T 10 Speed) : Bike Chainrings And Accessories : Sports & Outdoors
SHIMANO repair parts chainring with hook teeth 36T (silver) for FC-M591-S FC-M591-S FC-M591-L FC-M590-S FC-M590-L FC-M533-SK etc. Y1J898080 - Discovery Japan Mall