Easy Peasy
https://www.amazon.com/Remover-Stickers-Minutes-Wheel-toolkit/dp/B00VFACQRE/ref=pd_lpo_vtph_263_bs_t_1?_encoding=UTF8&psc=1&refRID=5VJA6WFC1F93D9GN07XX
Just used this wheel last week to remove vinyl letters. No need for anything else.
It's like a power eraser..safe for gelcoat and...