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jeffersonairmattress t1_jccazts wrote

I just made a similar gear out of brass, using a milling machine and a dividing head.

The problem with this gear is that you are unlikely to find a replacement; it looks like a 14.5 degree pressure angle and most gear shops are set up for 20 degrees or higher. Ther's nothing available off the shelf. I could make this gear, but it would be a $450 gear.

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VintageAda OP t1_jcf2pz7 wrote

Oof, that’s probably 10 times what the bike cost brand new. I’m currently carving out a replacement gear with my dremel. Fingers crossed.

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