![Universal Cycles -- Shimano FC-R8100 Ultegra Double Chainrings 12sp [Y0NG34000, Y0NG36000, Y0NG98010, Y0NG98020] Universal Cycles -- Shimano FC-R8100 Ultegra Double Chainrings 12sp [Y0NG34000, Y0NG36000, Y0NG98010, Y0NG98020]](https://www.universalcycles.com/images/products/large/113457.jpg)
Universal Cycles -- Shimano FC-R8100 Ultegra Double Chainrings 12sp [Y0NG34000, Y0NG36000, Y0NG98010, Y0NG98020]
![Shimano Ultegra FC-6800 Chainrings (Black) (2 x 11 Speed) (110mm BCD) (Outer) (53T) - Performance Bicycle Shimano Ultegra FC-6800 Chainrings (Black) (2 x 11 Speed) (110mm BCD) (Outer) (53T) - Performance Bicycle](https://images.performancebike.com/cdn-cgi/image/f=auto,width=950/images/large/bikes/shimano/y1p498080_1.jpg)
Shimano Ultegra FC-6800 Chainrings (Black) (2 x 11 Speed) (110mm BCD) (Outer) (53T) - Performance Bicycle
![Shimano Ultegra FC-6800 Chainrings (Black) (2 x 11 Speed) (110mm BCD) (Outer) (52T) - Performance Bicycle Shimano Ultegra FC-6800 Chainrings (Black) (2 x 11 Speed) (110mm BCD) (Outer) (52T) - Performance Bicycle](https://images.performancebike.com/cdn-cgi/image/f=auto,width=950/images/large/bikes/shimano/y1p498070.jpg)
Shimano Ultegra FC-6800 Chainrings (Black) (2 x 11 Speed) (110mm BCD) (Outer) (52T) - Performance Bicycle
![Shimano Ultegra FC-6800 Chainrings (Black) (2 x 11 Speed) (110mm BCD) (Inner) (34T) - Performance Bicycle Shimano Ultegra FC-6800 Chainrings (Black) (2 x 11 Speed) (110mm BCD) (Inner) (34T) - Performance Bicycle](https://images.performancebike.com/cdn-cgi/image/f=auto,width=950/images/large/bikes/shimano/y1p434000.jpg)
Shimano Ultegra FC-6800 Chainrings (Black) (2 x 11 Speed) (110mm BCD) (Inner) (34T) - Performance Bicycle
![Shimano Ultegra FC-6800 Chainrings (Black) (2 x 11 Speed) (110mm BCD) (Outer) (53T) - Performance Bicycle Shimano Ultegra FC-6800 Chainrings (Black) (2 x 11 Speed) (110mm BCD) (Outer) (53T) - Performance Bicycle](https://images.performancebike.com/cdn-cgi/image/f=auto,width=950/images/large/bikes/shimano/y1p498080.jpg)
Shimano Ultegra FC-6800 Chainrings (Black) (2 x 11 Speed) (110mm BCD) (Outer) (53T) - Performance Bicycle
![Universal Cycles -- Shimano FC-6800 Ultegra Double Chainrings 11sp [Y1P434000, Y1P436000, Y1P439000, Y1P498050, Y1P498060, Y1P498070, Y1P498080] Universal Cycles -- Shimano FC-6800 Ultegra Double Chainrings 11sp [Y1P434000, Y1P436000, Y1P439000, Y1P498050, Y1P498060, Y1P498070, Y1P498080]](https://www.universalcycles.com/images//attributes/large/159634.jpg)