Shimano Ultegra FC-6800 4-arm Chainring Bolts 36-46 T

Shimano Chainring Bolts for FC-6800 with 36 and 46 T ChainringsThese Shimano chainring bolts are compatible with the Ultegra FC-6800 4-arm crank, but only with the 36-46 tooth gradation. They have an M8 x 10.1 mm thread and are fitted in the middle, betwee