I need the thumb sticks for the razer wolverine v2 chroma!

When my girlfriend first bought me the controller on Christmas 2023 the M2 button wasn’t functioning properly. I didn’t send it back because the controller has so many buttons and I didn’t want to hurt her feelings. But now the thumb sticks are worn out, all I’m asking is for the ability to buy additional thumb sticks without having to buy a whole new controller. It’s a great product that has lasted a long gaming sessions but I need the magnetic thumb sticks tops to buy please!!!!