Replacing friend's cassette. Found spacer. Is a 10 speed cassette. Don't know if it is 11 speed hub. Do I keep or throw? : r/bikewrench
Freehub Body Cassette Spacer – White Industries
Space or not to space? Just bought a Simano 11-34 cassette CS-HG800-11 for my 11 speed frrehib body on my road bike. It cam with a spacer for use inboard of the
Cassette Spacers 2013 - Slowtwitch.com
Cassette How-To - Part 2 - Slowtwitch.com
Hope Cassette Spacer for 11 Speed
cassette-spacer-shimano-pattern-11-speed-2.18mm
Cassette Sprocket Spacers 1.85mm for using 8/9/10-Speed Cassette on Shimano / SRAM 11-Speed Hub | Cycling Boutique