Spécialités TA Outer 51t BlackThe X110 chainrings are compatible with the Shimano Dura Ace 9000/R9100 Ultegra 6800/8000 and 105 5800/R7000 11 speed chainsets. For complete compatibility you must replace both inner and outer with TA rings. Please note: these chainrings are designed to be compatible with the modern chainsets that have a cutout on one arm they are also backwards compatible with the earlier chainsets that do not have the cutout. Features & Information Material: 7075 T6 Aluminium Unique PCD: 110mm 4 arms. Outer : 48 49 50 51 52 53 teeth. Inner : 33 34 36 38 39 42 teeth. Colour : Black.
