https://www.ridewill.com/p/en/birzman-bmtoo025616-ebike-lockring-socket-bosch-43mm-gen-3-and-gen-4/1336668/
E-Bike - Parts E-bike tools and diagnostic
E-bike tools and diagnostic
In stock. Delivery in 8 days.
Shipping costs (UNITED KINGDOM): 12.90
Expected arrived: 31/07/2025
Compatible with Bosch Active Line and Active Line Plus (MY 2017 onwards) and bosch gen4 drive units with 8-notch 43mm diameter chainring lockrings.
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