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Home Made U-Lock Bicycle Lock

Step 9File the slot smooth

File the slot smooth

There are two slots in the U part of the lock.
This is the longer one at the end away from the padlock.

Keep filing until your crossbar fits easily in the slot.

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Author:TimAnderson

Tim Anderson is the author of the "Heirloom Technology" column in Make Magazine. He is co-founder of www.zcorp.com, manufacturers of "3D Printer" output devices. His detailed drawings of traditional ...