The file 'Bead Buddy For Bicycle Tire Installation 3D Printer Model' is (stl) file type, size is 417.0KB.
Saw a post on a facebook bike mechanics' forum about the Motion Pro Trail Bead Buddy which is a motorcycle tool designed to keep the tire bead in place while installing tires. The post mentioned that this was a great tool for installing Cush Core tire inserts but it could be useful for all manner of difficult tire installations. Just like my recent clone of a Stan's NoTubes presta valve nut loosening tool, when I saw it, I thought "I bet I could 3D print that".
So, a little work in Fusion 360 and here we have it. I went through a couple of iterations and found a design that fit well on any of the wheels I had on hand, and I had one with a tire that was a little tight to fit, and it sure seemed to help make the installation easier. Forgive the rough surface finish on the printed part - that's an issue with my printer I haven't bothered to figure out yet.
The knurled nut is just a McMaster 92545a183 imported through Fusion, and prints up and fits nicely.
This would also work nicely with my Park TL-4 clone tire lever
I've included the F3D file for import, for more options, see the online version of my Fusion 360 model.
Bead_buddy_body.stl | 199.8KB | |
Bead_buddy_thumb_screw.stl | 1.1MB |