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Bicycle Front Sprocket Guards: 3D Models and STL Files

This collection gathers 3D models for protecting the front sprocket on bicycles, from chainring guards to bash guards and custom covers. You can find parts for mountain bikes, commuters, and parametric designs. The models are intended for 3D printing, so you can adapt the size and mounting to your crankset. 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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此合集由Polyzon根据已接入平台的搜索结果整理而成:去除重复项和没有预览图的模型,匹配度低的排在最后,其余按搜索结果顺序排列。模型归作者所有——请在各模型页面查看使用条款。

筛选规则:Polyzon编辑部 · 文字更新于2026年10月13日


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«Bicycle Front Sprocket Guards: 3D Models and STL Files»

The models in this collection fall into a few groups: outer chainring guards that shield the teeth, bash guards that mount to the frame or crankset, and full covers that enclose the sprocket. Some are designed for a specific crankset shape, while others are parametric and can be adjusted. There are also simpler protection rings that sit around the chainring. Each type differs in how it attaches and how much of the drivetrain it covers.

When choosing a model, check the dimensions and the number of parts, since some designs print as a single piece and others require assembly. Look at the mounting method: some rely on existing bolts, others need additional hardware or frame mounts. The author's page usually lists the material and print settings, and photos of real prints help you judge how the part mounts. Consider whether supports are needed and how they will affect the surface finish.

To refine your search, try synonyms like chainring guard, bash guard, sprocket cover, and crank protector. Related topics include chain guides, chainstay protectors, and mudguards for the front wheel, though these serve different purposes. You can also search by the number of teeth or the mounting standard if your crankset uses one. Combining terms such as 'MTB' or 'commuter' with the part name may narrow the results.

FAQ

常见问题

What is a front sprocket guard for?
It is a part that covers or shields the chainring to keep the chain from catching on obstacles or to protect the teeth during riding. Some designs also prevent chain drops.
How do I know which guard matches my bike?
Check the crankset model, the number of teeth, and the mounting interface on your bike. The author's page often provides dimensions and mounting details.
Do these models need supports?
It depends on the geometry and orientation. Many guards print without supports, but overhangs may require them. The author's page usually indicates the intended print orientation.
Can I modify a parametric guard?
Yes, parametric models are made to be adjusted in CAD software. You can change the size, bolt pattern, or thickness before exporting an STL.

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