Shimano FC-R8000 4-arm Chainring Bolts Ultegra 36-46 T

Four Shimano chainring bolts for Ultegra FC-R8000 crank with 36-46 TThese Shimano Ultegra chainring bolts are used when the FC-R8000 crank is to be ridden in the 36-46 tooth gradation. They are not compatible with other gradations. The bolts must be fitted