- The PM-PM +43 mm brake adapter makes it possible to enlarge the brake disc by 43 mm - Example: Post Mount (PM) mount, which is designed for a 160 mm brake disc, allows a 203 mm disc to be installed (the same applies to the other disc sizes) - Material: Aluminium - Use on front wheel - Weight: 24 g PM brake mount 160 mm + PM-PM +43 mm adapter = brake disc size 203 mm PM brake mount 180 mm + PM-PM +43 mm adapter = brake disc size 223 mm