Crupi Rhythm Volcano Washers M6mm - Black Or Silver

These are the volcano shaped washers for a set of Rhythm hubs (fits some other brands as well).  These house the M6 Allen Head screws that tighten your wheel but these screws are not included.  Comes as a set of 4 for theh front and rear 24H or 28H wheel. 

• Please note that M6 Screws are NOT included