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.
- Functions: ½" Dr.
- Material: Alloy steel.