The standard series front brake disc is part of the latest collection from moto master. Features: atv brake discs endure high mechanical and thermal loads while fully exposed to sand, mud and stones brake discs are manufactured from premium quality steel that is specially hardened and tempered for extremely low brake disc wear and high-performance braking brake discs are precision laser cut, cnc drilled and surface machined for perfect fit and flatness venting hole pattern in contact surface is designed for cooling and disc cleaning to evacuate water and dirt designed for endurance racing under severe conditions brake discs take performance to the next level by optimizing feel and performance along with enhanced cooling capacity sold each specifications: bolt hole circle: 82.5 Mm bolt pattern: 4 hole inside diameter: 63.5 Mm material: stainless steel model: halo outside diameter: 180 mm product name: brake disc shape: round thickness: 4.0 Mm type: one piece fixed units: each to fit: ktm sx 505 atv 2010 all models ktm sx 505 atv 2011 all models ktm sx 505 atv 2012 all models ktm sx 505 atv 2013 all models ktm xc 450 atv 2008 all models ktm xc 450 atv 2009 all models ktm xc 450 atv 2010 all models ktm xc 525 atv 2008 european models ktm xc 525 atv 2009 european models ktm xc 525 atv 2010 european models ktm xc 525 atv 2011 all models ktm xc 525 atv 2012 all models ktm xc 525 atv 2013 all models manufacturer part number: 110334 view all moto master parts. View all parts and ...