bicycle mag rim magnet holder thing

this is a thing to mount a cyclocomputer's wheel magnet (that is supposed to attach to the spokes) onto the hub of a bicycle mag wheel (with no spokes.) its a little loose fitting since the hub is slightly tapered and it would be too much of a PITA to make the part with a tight fit with that exact taper using tinkercad so I plan on using a bit of silicone to hold it in place/fill in the sloppy fit and use a hose clamp or zip ties to clamp it in place so it shouldn't be a problem.I'll post some