Bearing is packed with heavy duty premium marine grease and with the addition of special complex thickeners which allows it to be virtually waterproof Nitrile butadiene rubber double-lip oil seals help prevent abrasives, corrosive moisture and other harmful contaminants from entering bearings To further help keep any moisture out, we have gone from 30% grease filling to a 60% for harsh conditions The special v-groove on the inner race is better for resistance to water intrusion Provides unsurpassed rust and corrosion protection Factory-Links ball bearings are specially designed for Off-Road use. - Gas Gas TXT 125 Pro (2006, 2005, 2010, 2013, 2014, 2009, 2011, 2004, 2012, 2007, 2008); Gas Gas TXT 125 Race (2014, 2012, 2013, 2017, 2011); Gas Gas TXT 250 Pro Racing (2007, 2009, 2013, 2015, 2011, 2017, 2012, 2010, 2006, 2004, 2005, 2008, 2014); Gas Gas TXT 280 Pro Racing (2012, 2014, 2005, 2006, 2013, 2015, 2009, 2004, 2007, 2008, 2017); Gas Gas TXT 280 Pro (2008, 2009, 2006, 2004, 2005, 2014, 2010, 2011, 2012, 2007, 2013); Gas Gas TXT 200 Pro (2007, 2004, 2006, 2008, 2009, 2005); Gas Gas TXT 300 Racing (2017, 2018, 2016); Gas Gas TXT 250 Racing (2017, 2016, 2018)