079539682 - Front Brembo master cylinder bellows found on virtually every Ducati bevel drive twin in the 70s and 80s plus most larger European motorcycles.
This replaces the bellows on all BREMBO large round reservoir FRONT master cylinders including what came on all Darmah, 750GT/Sport, 860/900 GT/S/E, 750 Super Sport and 900 Super Sport. The cap & bellows kit we used to stock has been discontinued by Brembo so is no longer available.
NOTE: This also fits the front SCARAB brake master cylinders found on some Ducati bevel drive 750 GT and 750 Sport.
If you remove the master cylinder reservoir cap and your bellows are sagging down into the cup then it needs to be replaced.
The smaller size cap & bellow kit for all rear disk brake bevel twin models is still available - for how much longer I have no idea..... This is the larger front bellows.