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. - Aprilia SXV 450 (2007, 2009, 2010, 2011, 2006, 2008); Aprilia SXV 550 (2006, 2007, 2009, 2011, 2010, 2008); Aprilia RXV 450 (2007, 2010, 2011, 2006, 2008, 2009); Aprilia RXV 550 (2006, 2009, 2011, 2007, 2008, 2010); Gas Gas MC 85 17/14 (2025, 2024, 2023, 2022, 2021); Gas Gas MC 85 Big Wheel 19/16 (2022, 2021, 2023, 2024, 2025); Husqvarna TC 85 BW 19/16 (2017, 2019, 2014, 2025, 2015, 2016, 2020, 2022, 2024, 2021, 2018, 2023); Husqvarna TC 85 (2016, 2014, 2015, 2018, 2019, 2022, 2023, 2017, 2021, 2024, 2025, 2020); KTM 85 SX BW 19/16 (2013, 2014, 2017, 2018, 2021, 2022, 2025, 2023, 2016, 2019, 2015, 2020, 2024); KTM 85 SX 17/14 (2014, 2025, 2024, 2013, 2016, 2019, 2020, 2018, 2021, 2022, 2023, 2015); BMW G 450 X (2010, 2009, 2008)