Shimano BB-X Disassembly Special Tool. Black This tool allows you to disassemble the special-shaped bearing retaining ring by hand. Made of all-stainless steel, resistant to rust. Includes 2 spare tube pins (as shown in photo 4). (Compatible Models) 13, 17 BB-X Hyper Force 11, 16, 23 BB-X Despina, Larissa 11, 13, 16 Exsence LB 12, 18 BB-X Remare (Compact type not compatible) Please thoroughly research the compatible models and structure before purchasing. Please perform modifications at your own risk, understanding the reel's structure. Also selling the Hissatsu Yaen Cobra and the New Haneage Kai K2! I will send a comment message soon after purchase, so please be sure to check and reply. Please do so to prevent any trouble.