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Bosch e-bike Gen4 Spider Lock Ring Tool MJ 21/22 Chainring Nut
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Tool for the Chainring Nut on a Bosch E-Bike MJ 2021 / 2022
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Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution — Noncommercial
Here is a model for a tool to loose or tighten the nut on an Bosch E-Bike Gen4 chainring.
I printed mine in PETG, this is quite sufficient. Due to the fine thread, too high torques should not be used here anyway. Use with an ½ inch ratchet.
Have fun printing and riding your bike.