Mountain Bike Chain Guide
myminifactory
This will hold your mountain bike chain while the rear wheel is off. Fits 12x142 axles but could be cut down to fit smaller or larger axles.
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With this file you will be able to print Mountain Bike Chain Guide with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Mountain Bike Chain Guide.