CYC光子环状工具

CYC Photon Chainring Tool

2024-04-16 16:14:57

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Summary

I decided I didn't want to wait to receive a chainring tool from CYC to remove my chain ring simply to do a basic spring service on my bike. This worked perfectly for me, and was plenty strong. I used 30mm M4 screws, they'll self thread no problem (use a power driver, go slowly). You'll need 5-10mm of exposed thread, just run the screws back until the tool is seated against the face of the chainring retainer, then torque away!

My tool of preference for this was a standard BB Cup removal tool, plenty of ability to disperse the force, and many of us bike guys have them in our inventory already. I don't think a standard drive attachment would have been ideal here. Either way, worked well for me! Good luck!

I also built a removal tool to take off the inner bearing (inside the housing) retainer ring. I had some crud behind it that was annoying me, and I wanted to repack the bearing while I had everything apart. I'll link that here below:

Print Settings

Printer brand:
FlashForge
Printer:
Finder
Rafts:
No
Supports:
No
Resolution:
.20mm
Infill:
80% Plus
Filament brand:
doesn't matter
Filament color:
doesn't matter
Filament material:
PLA
Notes:
I printed this at 200 degrees C. I generally print a little warmer, but it warped on the first half of the print with as much infill as I required. A little lower worked better for me here.