Front derailleur shims, 31.8 to 34.9 mm

Front derailleur shims, 31.8 to 34.9 mm

thingiverse

Shim for 31.8 mm diameter seat tubes to accept 34.9 mm (mountain) front derailleurs. The 31.8 mm diameter may come out a little small, but the print flexes enough to grip the frame just fine. 14 mm tall. Made in Autodesk Inventor.

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