Bike Bicycle Bottom Bracket Adaptor Shim for to-SRAM for GXP 24 to 22/19mm. 1 x Bottom Bracket Adapter Shim. 24 to 22mm: For-SRAM for GXP. Model: 24 to 22mm，24 to 19mm. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.