BMX Children's Bicycle Rear Sprocket
Description
An Alternative BMX Children's Bicycle Rear Sprocket The original one had T16. I wanted to reduce the reduction ratio, hence I designed T18, T19, T20, T21, T22. I succeded in fitting T20 without chain replacement. Material: eSun PLA+ But I would advise to use PETG or PECG Nozzle: 0.4
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