Park Tool LRT-2 e-bike lockring holder tool for Shimano Steps 7000/8000-series
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A tool to aid in the removal and installation of Shimano Steps e-bike chainrings and chainring spiders.
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Model information
- Source
- Printables
- Category
- Tools
- License
- Creative Commons — Attribution
As first seen on my Instagram page.
This tool threads into the crank axle to secure the Park Tool LRT-2 (or similar) e-bike chainring lockring tool into place. The back of the tool is sized to match the Park Tool's 36mm hex profile to help keep a large socket stable. However, the tool can also be used with an adjustable spanner or crows foot wrench.
To use, place the lockring tool in place. Thread the printed tool into the crank spindle and tighten until snug, then loosen until the hex shape aligns with those of the Park Tool socket. It's now ready to use.
When used correctly, this tool is non-load bearing and therefore can be printed from just about anything. Mine is printed from PLA, with about 30% infill and increased wall thickness. No supports or brim are needed.