The nitro series rear brake disc is part of the latest collection from moto master. Features: attractive design, race-proven quality and competitive pricing make nitro the perfect oem replacement disc for most of your riders like moto-master's flame discs, all nitros are made of special hardened, low-carbon stainless steel for optimal durability and maximum stopping power design provides maximum heat dispersion while the carefully positioned cooling slots ensure optimal brake pad cleaning action in all conditions designed and engineered by moto-master to meet the demands of modern motocross and enduro racing specifications: bolt hole circle: 125.0 Mm bolt pattern: 6 hole braking surface: drilled slotted inside diameter: 108.0 Mm material: stainless steel model: nitro outside diameter: 220 mm product name: brake disc shape: contour thickness: 4.0 Mm type: one piece fixed units: each to fit: gas gas ec 125 1995 all models gas gas ec 125 1996 all models gas gas ec 125 1997 all models gas gas ec 125 1998 all models gas gas ec 125 1999 all models gas gas ec 125 2000 all models gas gas ec 125 2001 all models gas gas ec 125 2002 all models gas gas ec 125 2003 all models gas gas ec 125 2004 all models gas gas ec 125 2005 all models gas gas ec 125 2006 all models gas gas ec 125 2007 all models gas gas ec 125 2008 all models gas gas ec 125 2009 all models gas gas ec 125 2010 all models gas gas ec 200 e 2015 e-start all models gas gas ec 200 hobby 2007 european models gas gas ec 200...