$10.99at OMCgearBuyOMCgearShimano Ultegra CS-R8000 Cassette Lockring and Spacer$10.99OMCgear$10.99BuySaveShareOMCgear profileThe creators who use it, or GearCred, may earn a commission when you buy through these links, at no extra cost to you.From OMCgearShimano Cassette Lock RingsMore OMCgear gear creators useAll OMCgearFishing Flambeau Tackle Container$10.99