An eye-catching streamline silhouette that is a Birzman signature design, this Specialist Lockring Wrench is compatible with Shimano® MF™ Freewheels, Campagnolo® Cassettes, BB and Rotors, or other similar 12-spline Ø22.6mm lockrings.

Made from extra-hard wearing materials, the Specialist Wrenches are a highly functional and durable combo to have in the workshop.

Modular extension bar is available (BM11-ST-MHE-K) to increase the leverage of the wrench.


CrMo / TPR

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*Shimano® is a registered trademark of Shimano® Inc.

*Campagnolo® is a registered trademark of Campagnolo® Inc.