DMR's vertical dropout single speed conversion kitIncludes what you need to convert a geared bike to a single speed bike.
Includes a 16T cog, a spacer set that works with 9/10 speed Shimano and SRAM freehub bodies.
When changing a geared bike to single speed, remove the cassette and attach the single speed spacer kit to the free body.
Compatible with Shimano type 6-10 speed freehub.
Attached cog size: 16T