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Birzman Lockring Socket 12mm Shimano HG

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Lockring Socket 12mm Shimano HG

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Product ID: 1205559

Birzman Lockring Socket 12mm Shimano HG

Designed for use on Shimano and SRAM HG standard cassettes, the Birzman 12mm Lockring Socket is machined from alloy steel and has a centre pin to help it locate securely on 12mm thru-axles. It can also be used to remove 12-spline Centre Lock standard disc brake rotors and is compatible with ½” drivers.


  • 12mm centre pin for thru-axle hubs
  • Compatible with Shimano® HG™ and SRAM® cassettes
  • Compatible with Shimano® Centre Lock, or other similar 12-spline 23.4mm lockrings
  • ½" driver
  • Material: Alloy steel (socket) / aluminium (centre pin)
  • Not compatible with quick release axles

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