Disc Detainer Locks

A disc tumbler or disc detainer lock is a lock composed of slotted rotating detainer discs

• Commonly used for ulocks on bicycles
• More difficult to pick than competitively priced pin tumbler locks

Build your own

• Disc Detainer Pick Build (Part 1) — Featuring BosnianBill
• Modify disc-detainer pick

Citations

• https://en.wikipedia.org/wiki/Disc_tumbler_lock