# bottle dynamo

> bicycle dynamo mounted in such a way that its friction wheel can be driven by the sidewall of the tire

**Wikidata**: [Q366843](https://www.wikidata.org/wiki/Q366843)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bottle_dynamo)  
**Source**: https://4ort.xyz/entity/bottle-dynamo