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. - BMW F 650 Dakar ABS (2002, 2003, 2004, 2005, 2000, 2001, 2006, 2007); BMW F650GS (2007, 2001, 2002, 2004, 2000, 2003, 2005, 2006); BMW F650GS ABS (2010, 2012, 1999, 2002, 2003, 2009, 2004, 2000, 2011, 2001); BMW G650GS (2014, 2010, 2015, 2011, 2009, 2013, 2012); BMW F700GS (2016, 2013, 2017, 2012, 2014, 2015); BMW G650GS ABS (2012, 2009, 2011, 2010)