BIRZMAN Lockring Socket Shimano® MF™ Freewheel Tool


The Birzman lockring socket Shimano freewheel tool to loosen or tighten a freewheel on the wheel hub!

Compatible with Shimano® MF™ Freewheels or other similar 12-spline Ø22.7mm freewheels.

Lockring socket features

  • Brand:Birzman
  • Material: Alloy steel
  • Functions: 1/2'' Drive

Note: This is the tool you'll need in order to mount / remove the 7-speed freehub with freewheel we're offering in our shop!

Tutorial on how to exchange the new freehub with freewheel on your Uni Moke