Birzman Bottom Bracket Tool For ISIS and similar, 1/2" Drive - BM08-RWH-SBBT
Birzman Bottom Bracket Tool For ISIS and similar, 1/2" Drive - BM08-RWH-SBBT, Birzman Shimano BB Socket. Features: Compatible with Shimano cartridge or other similar 20 notch 31.6mm bottom brackets 1/2" drive compatible