Is this 3D model free to download?

Yes, Chain keeper is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by aiber, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Chain keeper 3D printable model by aiber

Chain keeper

Source: Thingiverse by aiber

The Chain keeper is a free printable 3D model from Thingiverse by aiber. Parametric chain keeper design, for use with 1x drivetrains. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

46 saves Source: Thingiverse Updated 2026-11-06 License: CC-BY · commercial OK 1 makes Category: Decor & Art

Tags: bike, catcher, chain, derailleur, drivetrain, front, guide, keeper, shifting, single

About this model

Parametric chain keeper design, for use with 1x drivetrains. Customize to your liking. I haven't tested the parameter space. Untested/never printed. Designed for two M4 x 20 socket head cap bolts & two M4 locknuts (7 mm width by 5 mm height). Print both halves after adjusting the file for your frame. The STLs are for my frame, a Fuji Jari, with the following geometry: - BBDrop: 69 mm - ChainStayLength: 435 mm - SeatTubeAngle: 74.5 deg - SeatTubeDia: 34.9 mm - 42T ring Sample Bike.sldasm provided for seeing it in context. The chainring is 43T in this example. The DiaTotoothRatio is found by 178 mm/43 teeth. The chainline is adjusted to my chainline of 50 mm. Parts for the assembly (crankset & frame) are found in the Reference folder, which I hope are successfully uploaded. Credit goes to Pl…

Frequently asked questions

Is this 3D model free to download?: Yes. Chain keeper is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by aiber.
Who made this model?: Designed by aiber, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.