Konstantin Chernenko High Resolution Stock Photography and Images Alamy :Konstantin Chernenko in Crimea 02.jpg , , 116 foto e immagini ad alta risoluzione di Konstantin Chernenko Getty. The Whites Independent Rear Suspension Knuckle Kit contains everything required to rebuild the rear knuckle on your ATV. The needle bearing shafts are constructed from hardened steel with self lubricating bushings for excellent wear resistance, all included bushings are hardened and plated for durability and corrosion resistance. IRS Knuckle Kits are model specific, it is recommended that you use our fitments search to ensure correct fit. Contains everything to rebuild the rear knuckle Needle bearing shafts are constructed from hardened steel Self lubricating bushings for excellent wear resistance Hardened metal bushings for wear prevention