TITANIUM caliper pin bolt 43045-0004 Replica of standard part TITANIUM part weight = 14gm Standard part weight = 24gm Thread is M8 x 1.25mm If the rubber sleeve was to get a split water can get it in and start corroding the pin, which is why the Titanium version is so good. It won’t corrode, and helps reduce unsprung weight. Coat in grease for free movement This bolt will look as bright as the day it was made no matter what muck, salt, sand grit or whatever is thrown at it.
