This DMR single speed spacer kit makes it simple to ditch your gears and run a single speed set up without buying a new wheel. The single speed spacer kit includes alloy spacers, a lock nut and a 16t cog.. NOTE: Single speed spacer kit is compatible with 1/8" x 1/2" Chains ONLY (BMX Chains). • Cog Size: 16T. • Weight: 87g.
