Shimano CS-HG20 7-Speed Cassette, 12-28T Go to amazon.com Related posts Top 13 best 7speed cassette 2022 FeatureSteel cogs with lockringSIS compatibleModel: 150183 DescriptionShimano CS-HG20 7-Speed Cassettes Cassette Body Type: Shimano 7 Speed. Cassette Cogs: 12-14-16-18-21-24-28. Range: 12-28. Drivetrain Speeds: 7.