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. - Triumph Tiger 850 Sport (2022, 2021, 2023); Triumph Tiger 900GT (2021, 2022, 2023, 2020); Triumph Tiger 900GT Pro (2021, 2023, 2020, 2022); Triumph Tiger 900 Rally (2020, 2022, 2023, 2021); Triumph Tiger 1200 GT (2023, 2022); Triumph Tiger 1200 GT Explorer (2023, 2022); Triumph Tiger 900 Rally Pro (2020, 2023, 2021, 2022); Triumph Tiger 1200 Rally Explorer (2023, 2022); Triumph Tiger 1200 GT Pro (2022, 2023); Triumph Tiger 1200 Rally Pro (2022, 2023); Triumph Tiger 900GT Low (2022, 2020, 2021, 2023); Triumph Tiger 900 (2020)