Hope GXP Adapter For 24mm Bottom Bracket Truvativ Converter BBSP109
The GXP crank spindle is 24mm on one endbut 22mm on the opposite end (tapered shaft) so this adapter reduces one end of the Hope bb down to 22mm to accept the GXP spindle. This allows you to use a GXP crankset with aHope 24mm bottom bracket.