Campagnolo 11 Speed Road Bicycle Cassette Lockring Review Posted on August 15, 2018November 9, 2018 By ArchSeaLionPosted in Drivetrain ComponentsTagged Bike Tools & Maintenance, Campagnolo, Cycling, Outdoor Recreation, Sports & Outdoors Lock ring for 11 speed cassette For 12 toothfirst position cog Lock ring for 11 speed cassette. For 12 toothfirst position cog