The ebc x-series brake disc for harley davidson xr1200 2008-2010 front is part of the latest collection from ebc.Features: ultra lightweight ebc brakes x series floating front mc rotors since their introduction, have become one if the worlds best selling lightest and best performing discs available for all modern sport bikes. Floating mc rotors feature ebc brakes unique and patented s-drive button system which features square sided rivets captured in square drive pockets on the rotor and hub which allow the outer rotor blade to expand and contract freely under the heat of braking without suffering rivet lock. Hand built and inspected ultra lightweight but strong patented square drive button system floating rotors designed as an oem improvement specifications: bolt hole circle: 82.5 Mm bolt pattern: 5 hole braking surface: drilled slotted color finish: gold stainless steel inside diameter: 56.4 Mm material: stainless steel model: x series outside diameter: 290 mm product name: brake rotor shape: round thickness: 5.0 Mm type: two piece floating to fit: harley davidson xr 1200 x 2011 all models harley davidson xr 1200 x 2012 all models harley davidson xr 1200 x 2013 all models harley davidson xr 1200 2008 european models harley davidson xr 1200 2009 all models harley davidson xr 1200 2010 all models manufacturer part number: md523xview all ebc. View all parts and spares.