SRAM Force 2X Threaded Plate 50/37t, 12 Speed, Support (for E1 AXS PM Spider), Black,

The threaded bracket is lightweight, rigid and precise Compatible with all Sram Road Flattop chains SRAM Threaded mounting tray removal tool required for installation (sold separately) Made of high quality aluminium Designed specifically for use with compatible Sram 2x power meters