Beta 20-Notch Bottom Bracket Removal Socket With Central Pin - 3973/4

Overview

Beta Tools bottom bracket removal socket with central pin is a 20-notch bicycle tool designed for professional servicing of Shimano and ISIS bottom bracket systems. Built for workshop maintenance, repair, and routine drivetrain service, it offers a secure interface for removal and installation tasks while giving mechanics flexible drive options. The 1/2" square drive allows use with common ratchets and torque tools, while the 24 mm external hexagon provides an alternative setup for spanners and sockets where access or working preference demands it. Its compact 55 mm length and 31.5 mm diameter make it practical for controlled handling at the bench or in a cycle service environment. This is a straightforward, trade-focused tool for bicycle technicians who need reliable fitment and efficient bottom bracket servicing.

Features

• Provides a 20-notch profile for bottom bracket servicing applications.
• Supports Shimano and ISIS systems for broad bicycle workshop use.
• Enables use with a 1/2" square drive for compatibility with standard ratchets and related tools.
• Offers a 24 mm external hexagon for alternative drive and access options.
• Improves control during removal and installation with a central pin design.
• Ensures practical handling with a compact 55 mm overall length.
• Supports routine maintenance and repair work in professional cycle servicing environments.

Specifications

Downloads & Media

• Datasheet (PDF)