The Birzman Lockring Socket Shimano Steps 54mm is designed for Shimano STEPS E5000, E7000, and E8000 drive units. It fits 16-notch 54mm chainring lockrings, serving as a reliable replacement part. SKU: BZBM19STEPS54.
The Birzman Lockring Socket Shimano Steps 54mm is designed for Shimano STEPS E5000, E7000, and E8000 drive units. It fits 16-notch 54mm chainring lockrings, serving as a reliable replacement part. SKU: BZBM19STEPS54.
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