Bottom bracket tool for Shimano type bottom brackets.with center pin can effectively fixed Bottom Bracket,For Shimano cartidgr B.B. and ISIS drive.

Screw-on blocking mechanism for square taper.
Bottom bracket tool for Shimano type bottom brackets.
Octalink and ISIS models Unable to lock order but can
Bottom Bracket Tools

It helps secure the bottom bracket tool firmly onto the BB cup during installation or removal, reducing the risk of tool slipping, tilting, or disengaging while applying force.

By fixing through the square taper axle, the tool remains better aligned with the bottom bracket interface, allowing mechanics to work with more stability and confidence, especially when dealing with tight or stubborn bottom brackets.


  • Designed for square taper bottom bracket systems
  • Helps keep the bottom bracket tool securely engaged with the BB cup
  • Reduces tool slipping and misalignment during removal or installation
  • Improves working stability when applying torque
  • Simple structure, easy to install and remove
  • Suitable for workshop use, OEM tool kits, and professional bicycle maintenance
  • Square taper bottom bracket removal
  • Square taper bottom bracket installation
  • Bicycle repair shop maintenance
  • Workshop service tools
  • OEM / ODM bicycle tool kits
  • Mechanics working on traditional cartridge bottom bracket systems
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