The file 'Small Horn Bicycle Valve Cap (Presta) 3D Printer Model' is (stl) file type, size is 2.4MB.
Here another nice cap for your bicycle wheel valve remixed from:
https://www.thingiverse.com/thing:2245127
but in smaller size.
Depending on the region of the world where you are the horn sign may be considered as a lucky charm, as an offense, as the rock'n'roll symbol, devil symbol or sport team hand signal.
You are free to assign yourself whichever meaning you prefer :-)
corna2.stl | 4.7MB |