Birzman Bottom Bracket Socket Shimano Cartridge

This ultra-durable and super-reliable birzman bottom bracket socket tool is designed for use on shimano cartridge bottom brackets or other similar 20-notch, 31.6Mm-diameter models, making installation and removal easy and hassle-free. Constructed from strong and corrosion-resistant alloy steel, this essential maintenance tool installs and removes cartridge bottom brackets with precision. Specification: functions: 1 2 dr. Material: alloy steel. 

This ultra-durable and super-reliable birzman bottom bracket socket tool is designed for use on shimano cartridge bottom brackets or other similar 20-notch, 31.6Mm-diameter models, making