Designed for use with Avid and Sram disc brakes for the best possible performance Available in sintered w/ steel backing plate or organic w/ steel backing plate Bulk bag of 20 pairs 4 Avid XO Trail,Elixir-7 Trail,9 Trail / Sram Guide,R,RS,RSC Sintered Sram Steel Bag of 20 pairUPC/EAN/GTIN: 710845712487