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Bike Crankarm Cap Tool (HEX 10MM!) — image 1
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Bike Crankarm Cap Tool (HEX 10MM!)

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šŸ”§ A Shimano TL‑FC16 style tool, but for non‑original bolts with a 10mm hex socket.

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Model information

Category
Tools
License
Creative Commons — Attribution — Noncommercial

Standard wrenches of this type have a long handle and can be awkward in tight spaces. This smaller key lets you spin the bolt in faster and makes it easier to control final torque. The fit on a 10 mm hex is tight, no slop.

Important during installation:

Remember - before you tighten or loosen the cap, you must first loosen the two M6 bolts.

āœ… Print settings

  • Nozzle: 0.4 mm

  • Layer height: 0.2 mm

  • Infill: 30% is enough for regular use; 100% gives a heavier, solid feel

  • Material: PLA, PETG, ASA, ABS

  • Tested on Ender 3 and Bambu Lab A1.

šŸ“ Files

  • .stl

  • .3mf – A1 print profile used in the photo, set for quality.

The key in the photo was printed in Prusament Blood Red.

🚲 Other tools on my profile: key for the original spline‑type cap and a key for replacement caps of original nuts.

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