Crupi Alloy Cassette Cog
Crupi Alloy Cassette Cog. Shimano Type.
Crupi cogs are Shimano compatible and designed to be reversed with 1mm of spacing on 1 side and 2.2mm of spacing on the other side...
Cassette Hub Cog Spacer
Cassette Hub Cog Spacer
Spaces your Shimano cog to help get your chain alignment. This can also help with the spacing on 8 speed shimano/Sram cassettes.