Birzman Shimano Bottom Bracket Wrench

The bottom bracket (Shimano® Cartridge) is a robust internal tool for the installation and removal of Shimano® cartridge bottom brackets as well as compatible models with a 20-slot design and a diameter of Ø31.6 mm.

The tool allows for precise power transmission and provides a secure grip on the bottom bracket, preventing damage to the bearing cups. Ideal for workshops and hobby mechanics. Made from durable alloy steel, the B.B. Socket impresses with high stability and long lifespan even with regular use.

The tool is compatible with:

• Shimano® cartridge bottom brackets
• Other compatible bottom brackets with: 20 slots, Ø31.6 mm outer diameter

Features:

• Bottom bracket tool for installation and removal
• Precise fit for secure grip
• 1/2" square drive for ratchet or torque wrench
• Robust design made of alloy steel
• Ideal for workshop and home use

Technical details:

• Drive: 1/2" square drive
• Material: alloy steel