Use with a single cog to convert your cassette hub geared bike to a singlespeed.  

• Comes In a pack of 5 Titanium spacers. (1) 20mm spacer, (2) 5mm spacers and (2) 2.5mm spacers.

• This kit allows Shimano or SRAM 9 spline MTB or road cassette hub to be used with any single cog.

• Works with all thicknesses of cog, from thin cassette type cogs to dedicated wide footprint single speed cogs.

• Matte titanium finish with the largest spacer having Ti Cycles logo in a brushed finish.

• 23 g per set

Cog, hub and lockring etc are not included.