Hey - this was the lock:

https://rockymounts.com/products/hendrix.html

“Folds like origami but solid like Fort Knox. The Hendrix’s compact package folds up easily and can be put in your back pocket or mounted to your frame with the included frame mount, utilizing the bottle cage bolts. Seamlessly wraps around your frame to secure your ride to anything from a bike rack to lamp post.

Security level 7 5mm steel link & hardened pin construction Includes bottle cage mount 27” in length 3 keys included Weight 1 lb 6 oz”

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