BOTTOM BRACKET SPACER KIT - Adapt Shimano 24mm and SRAM/Truvativ 24/22mm cranks to virtually any BB30 or Pressfit 30 frame, including mountain bikes, 2x10 systems, narrow-shell road bikes, road triples, etc. Simply tap the adapters into the 6806 bearing in the BB shell or cups, then install the cranks using the included spacers to adjust chainline, or to take up any side-to-side movement in the crank. - 5 each Shimano and SRAM adapter sets - Extra spacers for chainline adjustment - (4) GXP wave washers - (4) 30mm ID wave washers - 100 pcs