Hi all Just joined the forum and also New to rc boats. I have a question if anyone Can help me. I have Just purchased a motor and esc from a geico 29 with a they to putting it in my geico 24 but the motor shafts is thicker on the New motor. What size collett Will i need? Will the original 29 collett fit bearing in mine that the flexshaft on the 24 is thinner by a mm or so. I Dont know the exact measurements. Thanking anyone who Can help. Twiggy.