Rear brake disc Brembo Serie Oro. The rear brake disc allows the action of the brake caliper on the drive wheel of a motorcycle, for this reason it is essential that it is always efficient and in excellent condition, that it is used mainly or in aid of the more powerful braking of the front the Serie Oro Brembo discs are the best in terms of performance and durability. The Serie Oro is a line designed by Brembo for replacing the original fixed rear discs with superior quality brake discs.Made of one-piece steel to guarantee structural solidity and a precision manufacturing cycle with very close tolerances in order to allow perfect assembly. The geometry of the discs is specifically designed for the characteristics of the bike, the resistance to thermal and mechanical stress guarantee reliable and powerful braking in all road conditions. Specific for: Harley Davidson FLH1340 80 1981>1999. Fixing holes diameter: 10,3.