Foldylock Forever claims to be World's Strongest Folding Bicycle Lock - Bikerumor
West Biking Folding Bike Lock - Compact Bicycle Lock with 3 Keys, Lightweight Bicycle Foldable Lock with Mounting Bracket, Bike Lock with Anti-Theft Alloy Steel : Amazon.co.uk: Sports & Outdoors
Best Folding Bike Lock: Practical and Secure Options! | The Best Bike Lock
Bike Lock, BIGLUFU Bicycle Folding Locks with Mounting Bracket, Fold Chain Heavy Duty Alloy Steel Foldable Lock with 4 Keys 2pc Non-Slip Straps, Unfolds to 86cm/34inch for Scooter Motorcycle : Amazon.co.uk: Sports