Shimano pivot nut for Ultegra / Dura-Ace rim brakes as spare part.

The Shimano pivot nut for Ultegra and Dura-Ace brakes is a hex nut in 10.5 mm, 12.5 mm, 18 mm, 27 mm or 32 mm length. It can be used for older and current Dura-Ace and Ultegra rim brakes, from BR-7900 to BR-R9200 and BR-6700 to BR-R8100. The 10.5 mm nut is used at the front and rear, all other versions only at the front brake.