IIRC
a quick link might come apart when back pedalling https://www.towsure.com/images/products/18947/detail/kmc-7-speed-chain-quick-link.jpg
a master link would be better on a fixed wheel
https://sslcache.se/aabb179084764be9928dd299b70c651dd8e19c5a/687474703a2f2f7777772e6576616e736379636c65732e636f6d2f70726f647563745f696d6167652f696d6167652f3464392f6561652f6538342f38363336372f70726f647563745f706167652f636c61726b732d73696e676c652d73706565642d636861696e2d312d3278312d382d616e74692d727573742e6a7067
@dancing james started
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IIRC
a quick link might come apart when back pedalling
https://www.towsure.com/images/products/18947/detail/kmc-7-speed-chain-quick-link.jpg
a master link would be better on a fixed wheel
https://sslcache.se/aabb179084764be9928dd299b70c651dd8e19c5a/687474703a2f2f7777772e6576616e736379636c65732e636f6d2f70726f647563745f696d6167652f696d6167652f3464392f6561652f6538342f38363336372f70726f647563745f706167652f636c61726b732d73696e676c652d73706565642d636861696e2d312d3278312d382d616e74692d727573742e6a7067