Birzman Lockring Socket (Shimano MF & Campagnolo)

The Lockring Socket is compatible with Shimano® MF™ Freewheels, or other similar 12-spline Ø22.7mm freewheels, as well as Campagnolo® Cassettes, BB, Rotors.

The socket is of 1/2" Dr. and is compatible with the Birzman Torque Wrench 10-60Nm (bi-directional) (BM18-TW-10-60NM).

• Functions-1/2" Dr
• Material-Alloy steel

Key Features

• Compatible with Shimano MF freewheels and Campagnolo cassettes

• Fits 12-spline Ø22.7mm lockrings for accurate engagement

• Suitable for bottom bracket and rotor lockring applications

• 1/2" drive compatibility for torque wrench use

• Made from strong alloy steel for durability

• Precision machining ensures secure grip and reduced slipping

• Ideal for professional workshop and home bike maintenance

• Compact design for easy handling and storage

Product Specifications

• Brand: Value: Birzman

• Product Type: Value: Lockring Socket

• Compatibility: Value: Shimano MF, Campagnolo, BB, Rotors

• Lockring Size: Value: 12-spline Ø22.7mm

• Drive Type: Value: 1/2 inch drive

• Material: Value: Alloy steel

• Torque Wrench Compatibility: Value: Birzman 10-60Nm (BM18-TW-10-60NM)

• Usage Type: Value: Bicycle repair and maintenance

Precision Fit & Performance

The Birzman Lockring Socket is designed to deliver reliable and accurate performance during maintenance tasks. Its precision-cut 12-spline structure ensures a tight and stable fit on lockrings, helping improve torque transfer and minimize wear on components. The alloy steel construction provides excellent resistance to deformation under pressure, ensuring long-lasting usability even in demanding workshop environments.

Easy Operation / Usage

• Attach socket to 1/2" drive torque wrench or ratchet

• Align socket with 12-spline lockring securely

• Apply controlled torque for removal or installation

• Suitable for cassette, bottom bracket, and rotor servicing

• Ideal for professional and home bicycle repair

Why Choose This Product

• Ensures accurate lockring installation and removal

• Strong alloy steel material for long term durability

• Compatible with popular bicycle component standards

• Works perfectly with Birzman torque wrench system

• Compact and easy to use design

• Reliable performance for professional servicing

In the Box

• Birzman Lockring Socket