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Bicycle Lock Mounts and Holders: STL Models

This collection gathers STL files for bicycle lock mounts and related hardware: frame brackets, U-lock stands, stem adapters and small locking parts. It helps when you want a lock carried on the frame, rack or scooter stem instead of in a bag. Most of the models are simple clamps and plates that print on a standard 3D printer. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

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筛选规则：Polyzon编辑部 · 文字更新于2026年10月12日

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«Bicycle Lock Mounts and Holders: STL Models»

The entries fall into a few groups: clamps that bolt to frame tubes, brackets that hold a U-lock against the seat tube or rack, and stem-mounted holders for handcuff-style locks on e-scooters. Smaller parts appear too, such as lock-on grips, padlock bodies and adapters that reuse bottle-cage bosses. The differences are mainly in how the lock is gripped and where the mount sits on the bike.

Before printing, read the author's page: tube or stem diameter, the lock body dimensions the holder expects, wall thickness, and how many separate parts are involved. Check whether the design needs screws, zip ties or heat-set inserts, and which filament and settings the author lists. Photos of real prints show how the clamp closes and whether supports are required.

If the first results are too narrow, try related terms: lock bracket, lock holder, U-lock stand, frame mount, stem mount, or the type of lock you own. Adding a tube diameter or a scooter model narrows things further. Neighbouring topics such as bottle-cage adapters, pannier guards and helmet hooks often lead to parts that solve the same carrying problem.

FAQ

常见问题

How do I know which lock mount size to print?
The model page usually states the tube or stem diameter and the lock body it holds. Measure your frame tube and your lock before choosing a file.
Do these mounts need supports?
It depends on the shape: flat brackets often print without them, while curved clamps and overhangs may need them. The author's notes and photos of real prints are the quickest way to tell.
Which material works for a lock holder?
Authors list materials such as PLA, PETG or ASA. A holder that stays outdoors in sun and rain is usually printed in a material with higher heat and UV resistance, and the page states what the designer used.
Can I adapt a mount to a different lock?
Some designs include separate adapter plates or adjustable jaws. If not, you can scale the model slightly or edit the opening, while keeping the wall thickness thick enough.
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