Bicycle Bottle Lock | StashVault - Secret Stash Compartments
Bottle Lock for Bicycle with Hidden Key Compartment

Bicycle Cable Bottle Lock

This bicycle Bottle Lock from Kuat looks like a bottle and fits in the bottle cage of your bike. The 5 foot cable winds up inside the bottle by twisting the lid. There is also a secret compartment in the bottom for storing keys, cash or other valuables.