WTB: 52/36 Ultegra / FC6800 chainrings, 110 BCD Jul 13, 2018 8:35:30 GMT Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Chi Cheung on Jul 13, 2018 8:35:30 GMT Made the same swap but used 105 5800 chainrings. Saves a bit, black vs dark grey, if you are OCD though..