Hope part number - BBSP109. It's for Hope's24mm bottom brackets. It reduces one end to 22mm so that it iscompatible with SRAM GXP cranks. This is a Hope GXP adapter.
DJC Bike GXP Adapter for Spider Crown to 104BCD Converter for Sram GXP Crankset X9 X0 GX NX X1 X01 XX1 Eagle MTB (GXP to 104 Black)
Aluminum Alloy BB/Bottom Bracket GXP Adapter For 24mm To 22mm Converter Parts
Gold Hope Stainless Steel Bottom Bracket BSA 68/73 24mm , With SRAM GXP Adapter
Aluminum Alloy Sprocket Adapter For Bcd 110mm Chainrings Compatible With Easton Mtb And For Sram Crank Interfaces Direct Mount Conversion(GXP-110 * 4)
COONIUM Spacer Shim Adapter for Adapting 22/24 mm Spindle (SRAM GXP) to BB86 / BB92 / PF41 / PF 24 and BSA Threaded Bottom Bracket
Hope GXP Converter