Problem Solvers Freehub/Cassette Spacer (2mm) (10/11 Speed)
Problem Solvers Freehub/Cassette Spacer (2mm) (10/11 Speed), The Problem Solvers cassette spacer is designed for fitting 10 speed cassettes onto Shimano/SRAM 11 Speed Freehub bodies. Features: Fits Shimano-splined 10-speed cassettes onto 11-speed freehubs Alloy 2mm spacer