Birzman Lockring Socket - Shimano HG
Birzman Lockring Socket - Shimano HG

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The Birzman Lockring Socket - Shimano HG makes the installation of HG cassettes and centre lock disc brakes easy. The centre spigot improves stability during use of while the large internal diameter allows the tool to fit over most axle locknuts. Uses 1/2 socket drive.