Shimano Ultegra 6800 Chainring - 39T
Shimano Ultegra 6800 Chainring - 39T. The Shimano Ultegra 6800 39T Chainring is the perfect race format, small ring size. It's designed to work with a Shimano Ultegra FC-6800 crankset. The same bolt circle diameter (BCD) for compact and traditional double cranksets means that one crankarm fits all chainring sizes.
Shimano Ultegra 6800 Chainring - 39T Review
You can't find better chainrings for price under 17.99.